Home / 962,142,847.20-1,327,757,129.28-522,109,699.20

Finding the Fourth Proportional to 962,142,847.20, 1,327,757,129.28 and 522,109,699.20

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Solution

The fourth proportional to 962,142,847.20, 1,327,757,129.28 and 522,109,699.20 is: 720,511,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,142,847.20 : 1,327,757,129.28 = 522,109,699.20 : x
  2. Step 2: Convert to fraction form
    962,142,847.20/1,327,757,129.28 = 522,109,699.20/x
  3. Step 3: Cross multiply
    962,142,847.20x = 1,327,757,129.28 × 522,109,699.20
  4. Step 4: Simplify right side
    962,142,847.20x = 693,234,875,379,036,288
  5. Step 5: Solve for x
    x = 693,234,875,379,036,288/962,142,847.20
  6. Step 6: Final answer
    x = 720,511,384.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.