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Finding the Fourth Proportional to 482,999,076.30, 724,498,614.45 and 482,999,076.30

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Solution

The fourth proportional to 482,999,076.30, 724,498,614.45 and 482,999,076.30 is: 724,498,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,999,076.30 : 724,498,614.45 = 482,999,076.30 : x
  2. Step 2: Convert to fraction form
    482,999,076.30/724,498,614.45 = 482,999,076.30/x
  3. Step 3: Cross multiply
    482,999,076.30x = 724,498,614.45 × 482,999,076.30
  4. Step 4: Simplify right side
    482,999,076.30x = 349,932,161,559,979,840
  5. Step 5: Solve for x
    x = 349,932,161,559,979,840/482,999,076.30
  6. Step 6: Final answer
    x = 724,498,614.45

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1.5x scale

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.