Home / 484,593,489.60-726,890,234.40-293,490,513.60

Finding the Fourth Proportional to 484,593,489.60, 726,890,234.40 and 293,490,513.60

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Solution

The fourth proportional to 484,593,489.60, 726,890,234.40 and 293,490,513.60 is: 440,235,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,593,489.60 : 726,890,234.40 = 293,490,513.60 : x
  2. Step 2: Convert to fraction form
    484,593,489.60/726,890,234.40 = 293,490,513.60/x
  3. Step 3: Cross multiply
    484,593,489.60x = 726,890,234.40 × 293,490,513.60
  4. Step 4: Simplify right side
    484,593,489.60x = 213,335,388,224,880,384
  5. Step 5: Solve for x
    x = 213,335,388,224,880,384/484,593,489.60
  6. Step 6: Final answer
    x = 440,235,770.40

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1.5x scale

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.