Home / 728,069,417.20-1,092,104,125.80-268,337,522.80

Finding the Fourth Proportional to 728,069,417.20, 1,092,104,125.80 and 268,337,522.80

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Solution

The fourth proportional to 728,069,417.20, 1,092,104,125.80 and 268,337,522.80 is: 402,506,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,069,417.20 : 1,092,104,125.80 = 268,337,522.80 : x
  2. Step 2: Convert to fraction form
    728,069,417.20/1,092,104,125.80 = 268,337,522.80/x
  3. Step 3: Cross multiply
    728,069,417.20x = 1,092,104,125.80 × 268,337,522.80
  4. Step 4: Simplify right side
    728,069,417.20x = 293,052,515,756,831,552
  5. Step 5: Solve for x
    x = 293,052,515,756,831,552/728,069,417.20
  6. Step 6: Final answer
    x = 402,506,284.20

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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.