Home / 624,676,997.40-937,015,496.10-318,566,981.40

Finding the Fourth Proportional to 624,676,997.40, 937,015,496.10 and 318,566,981.40

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Solution

The fourth proportional to 624,676,997.40, 937,015,496.10 and 318,566,981.40 is: 477,850,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,676,997.40 : 937,015,496.10 = 318,566,981.40 : x
  2. Step 2: Convert to fraction form
    624,676,997.40/937,015,496.10 = 318,566,981.40/x
  3. Step 3: Cross multiply
    624,676,997.40x = 937,015,496.10 × 318,566,981.40
  4. Step 4: Simplify right side
    624,676,997.40x = 298,502,198,117,600,448
  5. Step 5: Solve for x
    x = 298,502,198,117,600,448/624,676,997.40
  6. Step 6: Final answer
    x = 477,850,472.10

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Double scale
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Similar ratio
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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.