Home / 578,755,367.20-868,133,050.80-469,916,250.40

Finding the Fourth Proportional to 578,755,367.20, 868,133,050.80 and 469,916,250.40

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Solution

The fourth proportional to 578,755,367.20, 868,133,050.80 and 469,916,250.40 is: 704,874,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,755,367.20 : 868,133,050.80 = 469,916,250.40 : x
  2. Step 2: Convert to fraction form
    578,755,367.20/868,133,050.80 = 469,916,250.40/x
  3. Step 3: Cross multiply
    578,755,367.20x = 868,133,050.80 × 469,916,250.40
  4. Step 4: Simplify right side
    578,755,367.20x = 407,949,828,080,248,704
  5. Step 5: Solve for x
    x = 407,949,828,080,248,704/578,755,367.20
  6. Step 6: Final answer
    x = 704,874,375.60

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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.