Home / 1,573,448,849.52-2,171,302,493.08-868,585,691.76

Finding the Fourth Proportional to 1,573,448,849.52, 2,171,302,493.08 and 868,585,691.76

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Solution

The fourth proportional to 1,573,448,849.52, 2,171,302,493.08 and 868,585,691.76 is: 1,198,616,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,448,849.52 : 2,171,302,493.08 = 868,585,691.76 : x
  2. Step 2: Convert to fraction form
    1,573,448,849.52/2,171,302,493.08 = 868,585,691.76/x
  3. Step 3: Cross multiply
    1,573,448,849.52x = 2,171,302,493.08 × 868,585,691.76
  4. Step 4: Simplify right side
    1,573,448,849.52x = 1,885,962,277,972,104,448
  5. Step 5: Solve for x
    x = 1,885,962,277,972,104,448/1,573,448,849.52
  6. Step 6: Final answer
    x = 1,198,616,833.68

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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.