Home / 315,235,221.30-472,056,569.55-206,943,534.90

Finding the Fourth Proportional to 315,235,221.30, 472,056,569.55 and 206,943,534.90

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Solution

The fourth proportional to 315,235,221.30, 472,056,569.55 and 206,943,534.90 is: 309,892,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,235,221.30 : 472,056,569.55 = 206,943,534.90 : x
  2. Step 2: Convert to fraction form
    315,235,221.30/472,056,569.55 = 206,943,534.90/x
  3. Step 3: Cross multiply
    315,235,221.30x = 472,056,569.55 × 206,943,534.90
  4. Step 4: Simplify right side
    315,235,221.30x = 97,689,055,175,444,704
  5. Step 5: Solve for x
    x = 97,689,055,175,444,704/315,235,221.30
  6. Step 6: Final answer
    x = 309,892,577.27

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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.