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Finding the Fourth Proportional to 588,672,002.40, 883,008,003.60 and 576,578,767.20

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Solution

The fourth proportional to 588,672,002.40, 883,008,003.60 and 576,578,767.20 is: 864,868,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,672,002.40 : 883,008,003.60 = 576,578,767.20 : x
  2. Step 2: Convert to fraction form
    588,672,002.40/883,008,003.60 = 576,578,767.20/x
  3. Step 3: Cross multiply
    588,672,002.40x = 883,008,003.60 × 576,578,767.20
  4. Step 4: Simplify right side
    588,672,002.40x = 509,123,666,143,421,248
  5. Step 5: Solve for x
    x = 509,123,666,143,421,248/588,672,002.40
  6. Step 6: Final answer
    x = 864,868,150.80

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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.