Home / 485,517,667.20-728,276,500.80-337,564,492.80

Finding the Fourth Proportional to 485,517,667.20, 728,276,500.80 and 337,564,492.80

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Solution

The fourth proportional to 485,517,667.20, 728,276,500.80 and 337,564,492.80 is: 506,346,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,517,667.20 : 728,276,500.80 = 337,564,492.80 : x
  2. Step 2: Convert to fraction form
    485,517,667.20/728,276,500.80 = 337,564,492.80/x
  3. Step 3: Cross multiply
    485,517,667.20x = 728,276,500.80 × 337,564,492.80
  4. Step 4: Simplify right side
    485,517,667.20x = 245,840,287,610,710,784
  5. Step 5: Solve for x
    x = 245,840,287,610,710,784/485,517,667.20
  6. Step 6: Final answer
    x = 506,346,739.20

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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.