Home / 998,487,224.49-1,497,935,109.38-343,353,167.72

Finding the Fourth Proportional to 998,487,224.49, 1,497,935,109.38 and 343,353,167.72

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Solution

The fourth proportional to 998,487,224.49, 1,497,935,109.38 and 343,353,167.72 is: 515,099,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,487,224.49 : 1,497,935,109.38 = 343,353,167.72 : x
  2. Step 2: Convert to fraction form
    998,487,224.49/1,497,935,109.38 = 343,353,167.72/x
  3. Step 3: Cross multiply
    998,487,224.49x = 1,497,935,109.38 × 343,353,167.72
  4. Step 4: Simplify right side
    998,487,224.49x = 514,320,764,835,421,184
  5. Step 5: Solve for x
    x = 514,320,764,835,421,184/998,487,224.49
  6. Step 6: Final answer
    x = 515,099,995.49

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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.