Home / 731,194,293.47-1,008,962,998.13-409,339,884.68

Finding the Fourth Proportional to 731,194,293.47, 1,008,962,998.13 and 409,339,884.68

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Solution

The fourth proportional to 731,194,293.47, 1,008,962,998.13 and 409,339,884.68 is: 564,841,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,194,293.47 : 1,008,962,998.13 = 409,339,884.68 : x
  2. Step 2: Convert to fraction form
    731,194,293.47/1,008,962,998.13 = 409,339,884.68/x
  3. Step 3: Cross multiply
    731,194,293.47x = 1,008,962,998.13 × 409,339,884.68
  4. Step 4: Simplify right side
    731,194,293.47x = 413,008,797,300,921,280
  5. Step 5: Solve for x
    x = 413,008,797,300,921,280/731,194,293.47
  6. Step 6: Final answer
    x = 564,841,384.83

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Double scale
Find fourth proportional to 731,194,294.47, 1,008,962,999.51 and 409,339,885.68
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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.