Home / 998,745,959.20-1,497,747,332.40-343,513,069.60

Finding the Fourth Proportional to 998,745,959.20, 1,497,747,332.40 and 343,513,069.60

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Solution

The fourth proportional to 998,745,959.20, 1,497,747,332.40 and 343,513,069.60 is: 515,141,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,745,959.20 : 1,497,747,332.40 = 343,513,069.60 : x
  2. Step 2: Convert to fraction form
    998,745,959.20/1,497,747,332.40 = 343,513,069.60/x
  3. Step 3: Cross multiply
    998,745,959.20x = 1,497,747,332.40 × 343,513,069.60
  4. Step 4: Simplify right side
    998,745,959.20x = 514,495,783,637,935,616
  5. Step 5: Solve for x
    x = 514,495,783,637,935,616/998,745,959.20
  6. Step 6: Final answer
    x = 515,141,792.46

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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.