Home / 679,197,698.13-937,287,189.09-381,841,265.79

Finding the Fourth Proportional to 679,197,698.13, 937,287,189.09 and 381,841,265.79

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Solution

The fourth proportional to 679,197,698.13, 937,287,189.09 and 381,841,265.79 is: 526,937,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,197,698.13 : 937,287,189.09 = 381,841,265.79 : x
  2. Step 2: Convert to fraction form
    679,197,698.13/937,287,189.09 = 381,841,265.79/x
  3. Step 3: Cross multiply
    679,197,698.13x = 937,287,189.09 × 381,841,265.79
  4. Step 4: Simplify right side
    679,197,698.13x = 357,894,926,690,876,736
  5. Step 5: Solve for x
    x = 357,894,926,690,876,736/679,197,698.13
  6. Step 6: Final answer
    x = 526,937,779.20

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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.