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Finding the Fourth Proportional to 482,910,385.40, 724,365,578.10 and 482,910,385.40

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Solution

The fourth proportional to 482,910,385.40, 724,365,578.10 and 482,910,385.40 is: 724,365,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,910,385.40 : 724,365,578.10 = 482,910,385.40 : x
  2. Step 2: Convert to fraction form
    482,910,385.40/724,365,578.10 = 482,910,385.40/x
  3. Step 3: Cross multiply
    482,910,385.40x = 724,365,578.10 × 482,910,385.40
  4. Step 4: Simplify right side
    482,910,385.40x = 349,803,660,490,764,800
  5. Step 5: Solve for x
    x = 349,803,660,490,764,800/482,910,385.40
  6. Step 6: Final answer
    x = 724,365,578.10

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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.