Home / 526,531,654.59-726,636,523.87-291,582,315.09

Finding the Fourth Proportional to 526,531,654.59, 726,636,523.87 and 291,582,315.09

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Solution

The fourth proportional to 526,531,654.59, 726,636,523.87 and 291,582,315.09 is: 402,396,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,531,654.59 : 726,636,523.87 = 291,582,315.09 : x
  2. Step 2: Convert to fraction form
    526,531,654.59/726,636,523.87 = 291,582,315.09/x
  3. Step 3: Cross multiply
    526,531,654.59x = 726,636,523.87 × 291,582,315.09
  4. Step 4: Simplify right side
    526,531,654.59x = 211,874,359,858,235,648
  5. Step 5: Solve for x
    x = 211,874,359,858,235,648/526,531,654.59
  6. Step 6: Final answer
    x = 402,396,243.44

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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.