Home / 998,102,500.80-1,497,253,802.40-342,967,243.20

Finding the Fourth Proportional to 998,102,500.80, 1,497,253,802.40 and 342,967,243.20

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Solution

The fourth proportional to 998,102,500.80, 1,497,253,802.40 and 342,967,243.20 is: 514,485,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,102,500.80 : 1,497,253,802.40 = 342,967,243.20 : x
  2. Step 2: Convert to fraction form
    998,102,500.80/1,497,253,802.40 = 342,967,243.20/x
  3. Step 3: Cross multiply
    998,102,500.80x = 1,497,253,802.40 × 342,967,243.20
  4. Step 4: Simplify right side
    998,102,500.80x = 513,509,008,979,845,568
  5. Step 5: Solve for x
    x = 513,509,008,979,845,568/998,102,500.80
  6. Step 6: Final answer
    x = 514,485,244.32

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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.