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Finding the Fourth Proportional to 577,287,737.10, 865,931,605.65 and 189,123,230.70

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Solution

The fourth proportional to 577,287,737.10, 865,931,605.65 and 189,123,230.70 is: 283,684,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,287,737.10 : 865,931,605.65 = 189,123,230.70 : x
  2. Step 2: Convert to fraction form
    577,287,737.10/865,931,605.65 = 189,123,230.70/x
  3. Step 3: Cross multiply
    577,287,737.10x = 865,931,605.65 × 189,123,230.70
  4. Step 4: Simplify right side
    577,287,737.10x = 163,767,782,825,766,368
  5. Step 5: Solve for x
    x = 163,767,782,825,766,368/577,287,737.10
  6. Step 6: Final answer
    x = 283,684,846.05

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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.