Home / 472,187,808.30-708,281,712.45-149,029,689.90

Finding the Fourth Proportional to 472,187,808.30, 708,281,712.45 and 149,029,689.90

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Solution

The fourth proportional to 472,187,808.30, 708,281,712.45 and 149,029,689.90 is: 223,544,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,187,808.30 : 708,281,712.45 = 149,029,689.90 : x
  2. Step 2: Convert to fraction form
    472,187,808.30/708,281,712.45 = 149,029,689.90/x
  3. Step 3: Cross multiply
    472,187,808.30x = 708,281,712.45 × 149,029,689.90
  4. Step 4: Simplify right side
    472,187,808.30x = 105,555,003,968,264,480
  5. Step 5: Solve for x
    x = 105,555,003,968,264,480/472,187,808.30
  6. Step 6: Final answer
    x = 223,544,534.85

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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.