Home / 1,319,708,520.52-1,981,292,842.88-884,954,574.52

Finding the Fourth Proportional to 1,319,708,520.52, 1,981,292,842.88 and 884,954,574.52

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Solution

The fourth proportional to 1,319,708,520.52, 1,981,292,842.88 and 884,954,574.52 is: 1,328,591,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,708,520.52 : 1,981,292,842.88 = 884,954,574.52 : x
  2. Step 2: Convert to fraction form
    1,319,708,520.52/1,981,292,842.88 = 884,954,574.52/x
  3. Step 3: Cross multiply
    1,319,708,520.52x = 1,981,292,842.88 × 884,954,574.52
  4. Step 4: Simplify right side
    1,319,708,520.52x = 1,753,354,164,770,391,552
  5. Step 5: Solve for x
    x = 1,753,354,164,770,391,552/1,319,708,520.52
  6. Step 6: Final answer
    x = 1,328,591,986.42

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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.