Home / 577,331,930.98-797,375,685.54-391,370,096.26

Finding the Fourth Proportional to 577,331,930.98, 797,375,685.54 and 391,370,096.26

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Solution

The fourth proportional to 577,331,930.98, 797,375,685.54 and 391,370,096.26 is: 540,536,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,331,930.98 : 797,375,685.54 = 391,370,096.26 : x
  2. Step 2: Convert to fraction form
    577,331,930.98/797,375,685.54 = 391,370,096.26/x
  3. Step 3: Cross multiply
    577,331,930.98x = 797,375,685.54 × 391,370,096.26
  4. Step 4: Simplify right side
    577,331,930.98x = 312,068,998,805,173,248
  5. Step 5: Solve for x
    x = 312,068,998,805,173,248/577,331,930.98
  6. Step 6: Final answer
    x = 540,536,530.30

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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.