Home / 655,277,083.68-904,277,001.45-357,919,515.48

Finding the Fourth Proportional to 655,277,083.68, 904,277,001.45 and 357,919,515.48

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Solution

The fourth proportional to 655,277,083.68, 904,277,001.45 and 357,919,515.48 is: 493,925,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,277,083.68 : 904,277,001.45 = 357,919,515.48 : x
  2. Step 2: Convert to fraction form
    655,277,083.68/904,277,001.45 = 357,919,515.48/x
  3. Step 3: Cross multiply
    655,277,083.68x = 904,277,001.45 × 357,919,515.48
  4. Step 4: Simplify right side
    655,277,083.68x = 323,658,386,218,691,264
  5. Step 5: Solve for x
    x = 323,658,386,218,691,264/655,277,083.68
  6. Step 6: Final answer
    x = 493,925,996.01

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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.