Home / 862,137,697.20-1,293,206,545.80-590,039,905.20

Finding the Fourth Proportional to 862,137,697.20, 1,293,206,545.80 and 590,039,905.20

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Solution

The fourth proportional to 862,137,697.20, 1,293,206,545.80 and 590,039,905.20 is: 885,059,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,137,697.20 : 1,293,206,545.80 = 590,039,905.20 : x
  2. Step 2: Convert to fraction form
    862,137,697.20/1,293,206,545.80 = 590,039,905.20/x
  3. Step 3: Cross multiply
    862,137,697.20x = 1,293,206,545.80 × 590,039,905.20
  4. Step 4: Simplify right side
    862,137,697.20x = 763,043,467,687,851,520
  5. Step 5: Solve for x
    x = 763,043,467,687,851,520/862,137,697.20
  6. Step 6: Final answer
    x = 885,059,857.80

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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.