Home / 384,390,502,836.34-576,182,137,782.60-129,331,336,591.49

Finding the Fourth Proportional to 384,390,502,836.34, 576,182,137,782.60 and 129,331,336,591.49

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Solution

The fourth proportional to 384,390,502,836.34, 576,182,137,782.60 and 129,331,336,591.49 is: 193,861,204,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,390,502,836.34 : 576,182,137,782.60 = 129,331,336,591.49 : x
  2. Step 2: Convert to fraction form
    384,390,502,836.34/576,182,137,782.60 = 129,331,336,591.49/x
  3. Step 3: Cross multiply
    384,390,502,836.34x = 576,182,137,782.60 × 129,331,336,591.49
  4. Step 4: Simplify right side
    384,390,502,836.34x = 74,518,405,999,565,706,625,024
  5. Step 5: Solve for x
    x = 74,518,405,999,565,706,625,024/384,390,502,836.34
  6. Step 6: Final answer
    x = 193,861,204,815.70

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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.