Home / 728,069,489.70-1,092,104,234.55-268,337,595.30

Finding the Fourth Proportional to 728,069,489.70, 1,092,104,234.55 and 268,337,595.30

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Solution

The fourth proportional to 728,069,489.70, 1,092,104,234.55 and 268,337,595.30 is: 402,506,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,069,489.70 : 1,092,104,234.55 = 268,337,595.30 : x
  2. Step 2: Convert to fraction form
    728,069,489.70/1,092,104,234.55 = 268,337,595.30/x
  3. Step 3: Cross multiply
    728,069,489.70x = 1,092,104,234.55 × 268,337,595.30
  4. Step 4: Simplify right side
    728,069,489.70x = 293,052,624,116,094,208
  5. Step 5: Solve for x
    x = 293,052,624,116,094,208/728,069,489.70
  6. Step 6: Final answer
    x = 402,506,392.95

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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.