Home / 998,114,634.30-1,497,272,002.65-342,979,376.70

Finding the Fourth Proportional to 998,114,634.30, 1,497,272,002.65 and 342,979,376.70

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Solution

The fourth proportional to 998,114,634.30, 1,497,272,002.65 and 342,979,376.70 is: 514,503,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,114,634.30 : 1,497,272,002.65 = 342,979,376.70 : x
  2. Step 2: Convert to fraction form
    998,114,634.30/1,497,272,002.65 = 342,979,376.70/x
  3. Step 3: Cross multiply
    998,114,634.30x = 1,497,272,002.65 × 342,979,376.70
  4. Step 4: Simplify right side
    998,114,634.30x = 513,533,418,219,257,792
  5. Step 5: Solve for x
    x = 513,533,418,219,257,792/998,114,634.30
  6. Step 6: Final answer
    x = 514,503,445.37

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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.