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Finding the Fourth Proportional to 588,671,996.40, 883,007,994.60 and 576,578,761.20

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Solution

The fourth proportional to 588,671,996.40, 883,007,994.60 and 576,578,761.20 is: 864,868,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,671,996.40 : 883,007,994.60 = 576,578,761.20 : x
  2. Step 2: Convert to fraction form
    588,671,996.40/883,007,994.60 = 576,578,761.20/x
  3. Step 3: Cross multiply
    588,671,996.40x = 883,007,994.60 × 576,578,761.20
  4. Step 4: Simplify right side
    588,671,996.40x = 509,123,655,656,164,352
  5. Step 5: Solve for x
    x = 509,123,655,656,164,352/588,671,996.40
  6. Step 6: Final answer
    x = 864,868,141.80

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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.