Home / 1,119,168,045.30-1,678,752,067.95-392,062,278.90

Finding the Fourth Proportional to 1,119,168,045.30, 1,678,752,067.95 and 392,062,278.90

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Solution

The fourth proportional to 1,119,168,045.30, 1,678,752,067.95 and 392,062,278.90 is: 588,093,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,168,045.30 : 1,678,752,067.95 = 392,062,278.90 : x
  2. Step 2: Convert to fraction form
    1,119,168,045.30/1,678,752,067.95 = 392,062,278.90/x
  3. Step 3: Cross multiply
    1,119,168,045.30x = 1,678,752,067.95 × 392,062,278.90
  4. Step 4: Simplify right side
    1,119,168,045.30x = 658,175,361,468,564,608
  5. Step 5: Solve for x
    x = 658,175,361,468,564,608/1,119,168,045.30
  6. Step 6: Final answer
    x = 588,093,418.35

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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.