Home / 1,039,753,010.70-1,560,226,712.85-393,984,204.30

Finding the Fourth Proportional to 1,039,753,010.70, 1,560,226,712.85 and 393,984,204.30

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Solution

The fourth proportional to 1,039,753,010.70, 1,560,226,712.85 and 393,984,204.30 is: 591,202,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,753,010.70 : 1,560,226,712.85 = 393,984,204.30 : x
  2. Step 2: Convert to fraction form
    1,039,753,010.70/1,560,226,712.85 = 393,984,204.30/x
  3. Step 3: Cross multiply
    1,039,753,010.70x = 1,560,226,712.85 × 393,984,204.30
  4. Step 4: Simplify right side
    1,039,753,010.70x = 614,704,679,989,811,840
  5. Step 5: Solve for x
    x = 614,704,679,989,811,840/1,039,753,010.70
  6. Step 6: Final answer
    x = 591,202,596.83

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1.5x scale

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.