Home / 998,487,155.78-1,497,935,006.38-343,353,099

Finding the Fourth Proportional to 998,487,155.78, 1,497,935,006.38 and 343,353,099

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Solution

The fourth proportional to 998,487,155.78, 1,497,935,006.38 and 343,353,099 is: 515,099,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,487,155.78 : 1,497,935,006.38 = 343,353,099 : x
  2. Step 2: Convert to fraction form
    998,487,155.78/1,497,935,006.38 = 343,353,099/x
  3. Step 3: Cross multiply
    998,487,155.78x = 1,497,935,006.38 × 343,353,099
  4. Step 4: Simplify right side
    998,487,155.78x = 514,320,626,541,157,824
  5. Step 5: Solve for x
    x = 514,320,626,541,157,824/998,487,155.78
  6. Step 6: Final answer
    x = 515,099,892.44

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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.