Home / 679,197,700.14-937,287,191.86-381,841,267.78

Finding the Fourth Proportional to 679,197,700.14, 937,287,191.86 and 381,841,267.78

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Solution

The fourth proportional to 679,197,700.14, 937,287,191.86 and 381,841,267.78 is: 526,937,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,197,700.14 : 937,287,191.86 = 381,841,267.78 : x
  2. Step 2: Convert to fraction form
    679,197,700.14/937,287,191.86 = 381,841,267.78/x
  3. Step 3: Cross multiply
    679,197,700.14x = 937,287,191.86 × 381,841,267.78
  4. Step 4: Simplify right side
    679,197,700.14x = 357,894,929,613,778,496
  5. Step 5: Solve for x
    x = 357,894,929,613,778,496/679,197,700.14
  6. Step 6: Final answer
    x = 526,937,781.94

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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.