Home / 386,856,566.10-580,522,755.26-153,646,477.20

Finding the Fourth Proportional to 386,856,566.10, 580,522,755.26 and 153,646,477.20

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Solution

The fourth proportional to 386,856,566.10, 580,522,755.26 and 153,646,477.20 is: 230,564,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,856,566.10 : 580,522,755.26 = 153,646,477.20 : x
  2. Step 2: Convert to fraction form
    386,856,566.10/580,522,755.26 = 153,646,477.20/x
  3. Step 3: Cross multiply
    386,856,566.10x = 580,522,755.26 × 153,646,477.20
  4. Step 4: Simplify right side
    386,856,566.10x = 89,195,276,280,520,880
  5. Step 5: Solve for x
    x = 89,195,276,280,520,880/386,856,566.10
  6. Step 6: Final answer
    x = 230,564,204.14

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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.