Home / 12,777,306,917.13-17,632,358,702.23-7,138,565,117.84

Finding the Fourth Proportional to 12,777,306,917.13, 17,632,358,702.23 and 7,138,565,117.84

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Solution

The fourth proportional to 12,777,306,917.13, 17,632,358,702.23 and 7,138,565,117.84 is: 9,851,038,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,306,917.13 : 17,632,358,702.23 = 7,138,565,117.84 : x
  2. Step 2: Convert to fraction form
    12,777,306,917.13/17,632,358,702.23 = 7,138,565,117.84/x
  3. Step 3: Cross multiply
    12,777,306,917.13x = 17,632,358,702.23 × 7,138,565,117.84
  4. Step 4: Simplify right side
    12,777,306,917.13x = 125,869,740,776,981,643,264
  5. Step 5: Solve for x
    x = 125,869,740,776,981,643,264/12,777,306,917.13
  6. Step 6: Final answer
    x = 9,851,038,375.56

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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.