Home / 472,393,092.30-708,589,638.45-432,216,152.70

Finding the Fourth Proportional to 472,393,092.30, 708,589,638.45 and 432,216,152.70

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Solution

The fourth proportional to 472,393,092.30, 708,589,638.45 and 432,216,152.70 is: 648,324,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,092.30 : 708,589,638.45 = 432,216,152.70 : x
  2. Step 2: Convert to fraction form
    472,393,092.30/708,589,638.45 = 432,216,152.70/x
  3. Step 3: Cross multiply
    472,393,092.30x = 708,589,638.45 × 432,216,152.70
  4. Step 4: Simplify right side
    472,393,092.30x = 306,263,887,373,942,976
  5. Step 5: Solve for x
    x = 306,263,887,373,942,976/472,393,092.30
  6. Step 6: Final answer
    x = 648,324,229.05

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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.