Home / 614,471,976,862.17-847,952,919,186.30-340,128,874,538.43

Finding the Fourth Proportional to 614,471,976,862.17, 847,952,919,186.30 and 340,128,874,538.43

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Solution

The fourth proportional to 614,471,976,862.17, 847,952,919,186.30 and 340,128,874,538.43 is: 469,367,656,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,471,976,862.17 : 847,952,919,186.30 = 340,128,874,538.43 : x
  2. Step 2: Convert to fraction form
    614,471,976,862.17/847,952,919,186.30 = 340,128,874,538.43/x
  3. Step 3: Cross multiply
    614,471,976,862.17x = 847,952,919,186.30 × 340,128,874,538.43
  4. Step 4: Simplify right side
    614,471,976,862.17x = 288,413,272,064,412,509,798,400
  5. Step 5: Solve for x
    x = 288,413,272,064,412,509,798,400/614,471,976,862.17
  6. Step 6: Final answer
    x = 469,367,656,987.73

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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.