Home / 1,226,471,972.48-1,692,522,711.92-669,555,019.52

Finding the Fourth Proportional to 1,226,471,972.48, 1,692,522,711.92 and 669,555,019.52

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Solution

The fourth proportional to 1,226,471,972.48, 1,692,522,711.92 and 669,555,019.52 is: 923,981,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,471,972.48 : 1,692,522,711.92 = 669,555,019.52 : x
  2. Step 2: Convert to fraction form
    1,226,471,972.48/1,692,522,711.92 = 669,555,019.52/x
  3. Step 3: Cross multiply
    1,226,471,972.48x = 1,692,522,711.92 × 669,555,019.52
  4. Step 4: Simplify right side
    1,226,471,972.48x = 1,133,237,077,417,638,912
  5. Step 5: Solve for x
    x = 1,133,237,077,417,638,912/1,226,471,972.48
  6. Step 6: Final answer
    x = 923,981,226.51

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Double scale
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1.5x scale

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.