Home / 1,226,471,957.91-1,692,522,691.88-669,555,005.04

Finding the Fourth Proportional to 1,226,471,957.91, 1,692,522,691.88 and 669,555,005.04

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Solution

The fourth proportional to 1,226,471,957.91, 1,692,522,691.88 and 669,555,005.04 is: 923,981,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,471,957.91 : 1,692,522,691.88 = 669,555,005.04 : x
  2. Step 2: Convert to fraction form
    1,226,471,957.91/1,692,522,691.88 = 669,555,005.04/x
  3. Step 3: Cross multiply
    1,226,471,957.91x = 1,692,522,691.88 × 669,555,005.04
  4. Step 4: Simplify right side
    1,226,471,957.91x = 1,133,237,039,488,679,936
  5. Step 5: Solve for x
    x = 1,133,237,039,488,679,936/1,226,471,957.91
  6. Step 6: Final answer
    x = 923,981,206.57

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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.