Home / 998,114,633.80-1,497,272,001.90-342,979,376.20

Finding the Fourth Proportional to 998,114,633.80, 1,497,272,001.90 and 342,979,376.20

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Solution

The fourth proportional to 998,114,633.80, 1,497,272,001.90 and 342,979,376.20 is: 514,503,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,114,633.80 : 1,497,272,001.90 = 342,979,376.20 : x
  2. Step 2: Convert to fraction form
    998,114,633.80/1,497,272,001.90 = 342,979,376.20/x
  3. Step 3: Cross multiply
    998,114,633.80x = 1,497,272,001.90 × 342,979,376.20
  4. Step 4: Simplify right side
    998,114,633.80x = 513,533,417,213,387,200
  5. Step 5: Solve for x
    x = 513,533,417,213,387,200/998,114,633.80
  6. Step 6: Final answer
    x = 514,503,444.62

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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.