Home / 30,646,109,005.10-42,292,673,922.84-17,784,753,193.80

Finding the Fourth Proportional to 30,646,109,005.10, 42,292,673,922.84 and 17,784,753,193.80

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Solution

The fourth proportional to 30,646,109,005.10, 42,292,673,922.84 and 17,784,753,193.80 is: 24,543,564,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,109,005.10 : 42,292,673,922.84 = 17,784,753,193.80 : x
  2. Step 2: Convert to fraction form
    30,646,109,005.10/42,292,673,922.84 = 17,784,753,193.80/x
  3. Step 3: Cross multiply
    30,646,109,005.10x = 42,292,673,922.84 × 17,784,753,193.80
  4. Step 4: Simplify right side
    30,646,109,005.10x = 752,164,767,623,570,522,112
  5. Step 5: Solve for x
    x = 752,164,767,623,570,522,112/30,646,109,005.10
  6. Step 6: Final answer
    x = 24,543,564,975.85

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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.