Home / 472,392,600.30-708,588,900.45-165,715,713.90

Finding the Fourth Proportional to 472,392,600.30, 708,588,900.45 and 165,715,713.90

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Solution

The fourth proportional to 472,392,600.30, 708,588,900.45 and 165,715,713.90 is: 248,573,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,600.30 : 708,588,900.45 = 165,715,713.90 : x
  2. Step 2: Convert to fraction form
    472,392,600.30/708,588,900.45 = 165,715,713.90/x
  3. Step 3: Cross multiply
    472,392,600.30x = 708,588,900.45 × 165,715,713.90
  4. Step 4: Simplify right side
    472,392,600.30x = 117,424,315,499,687,792
  5. Step 5: Solve for x
    x = 117,424,315,499,687,792/472,392,600.30
  6. Step 6: Final answer
    x = 248,573,570.85

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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.