Home / 7,167,534,178.86-9,890,692,085.24-3,995,577,788.22

Finding the Fourth Proportional to 7,167,534,178.86, 9,890,692,085.24 and 3,995,577,788.22

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Solution

The fourth proportional to 7,167,534,178.86, 9,890,692,085.24 and 3,995,577,788.22 is: 5,513,615,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,534,178.86 : 9,890,692,085.24 = 3,995,577,788.22 : x
  2. Step 2: Convert to fraction form
    7,167,534,178.86/9,890,692,085.24 = 3,995,577,788.22/x
  3. Step 3: Cross multiply
    7,167,534,178.86x = 9,890,692,085.24 × 3,995,577,788.22
  4. Step 4: Simplify right side
    7,167,534,178.86x = 39,519,029,605,908,299,776
  5. Step 5: Solve for x
    x = 39,519,029,605,908,299,776/7,167,534,178.86
  6. Step 6: Final answer
    x = 5,513,615,787.49

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Double scale
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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.