Home / 30,646,109,105.03-42,292,674,060.75-17,784,753,293.72

Finding the Fourth Proportional to 30,646,109,105.03, 42,292,674,060.75 and 17,784,753,293.72

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Solution

The fourth proportional to 30,646,109,105.03, 42,292,674,060.75 and 17,784,753,293.72 is: 24,543,565,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,109,105.03 : 42,292,674,060.75 = 17,784,753,293.72 : x
  2. Step 2: Convert to fraction form
    30,646,109,105.03/42,292,674,060.75 = 17,784,753,293.72/x
  3. Step 3: Cross multiply
    30,646,109,105.03x = 42,292,674,060.75 × 17,784,753,293.72
  4. Step 4: Simplify right side
    30,646,109,105.03x = 752,164,774,302,150,033,408
  5. Step 5: Solve for x
    x = 752,164,774,302,150,033,408/30,646,109,105.03
  6. Step 6: Final answer
    x = 24,543,565,113.74

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Half scale
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Double scale
Find fourth proportional to 30,646,109,106.03, 42,292,674,062.13 and 17,784,753,294.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.