Home / 402,944,570.10-604,416,855.15-130,342,893.30

Finding the Fourth Proportional to 402,944,570.10, 604,416,855.15 and 130,342,893.30

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Solution

The fourth proportional to 402,944,570.10, 604,416,855.15 and 130,342,893.30 is: 195,514,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,944,570.10 : 604,416,855.15 = 130,342,893.30 : x
  2. Step 2: Convert to fraction form
    402,944,570.10/604,416,855.15 = 130,342,893.30/x
  3. Step 3: Cross multiply
    402,944,570.10x = 604,416,855.15 × 130,342,893.30
  4. Step 4: Simplify right side
    402,944,570.10x = 78,781,441,659,538,000
  5. Step 5: Solve for x
    x = 78,781,441,659,538,000/402,944,570.10
  6. Step 6: Final answer
    x = 195,514,339.95

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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.