Home / 514,876,654.80-772,314,982.20-369,002,005.20

Finding the Fourth Proportional to 514,876,654.80, 772,314,982.20 and 369,002,005.20

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Solution

The fourth proportional to 514,876,654.80, 772,314,982.20 and 369,002,005.20 is: 553,503,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,876,654.80 : 772,314,982.20 = 369,002,005.20 : x
  2. Step 2: Convert to fraction form
    514,876,654.80/772,314,982.20 = 369,002,005.20/x
  3. Step 3: Cross multiply
    514,876,654.80x = 772,314,982.20 × 369,002,005.20
  4. Step 4: Simplify right side
    514,876,654.80x = 284,985,777,077,802,304
  5. Step 5: Solve for x
    x = 284,985,777,077,802,304/514,876,654.80
  6. Step 6: Final answer
    x = 553,503,007.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.