Home / 472,573,240.80-708,859,861.20-127,526,314.20

Finding the Fourth Proportional to 472,573,240.80, 708,859,861.20 and 127,526,314.20

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Solution

The fourth proportional to 472,573,240.80, 708,859,861.20 and 127,526,314.20 is: 191,289,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,573,240.80 : 708,859,861.20 = 127,526,314.20 : x
  2. Step 2: Convert to fraction form
    472,573,240.80/708,859,861.20 = 127,526,314.20/x
  3. Step 3: Cross multiply
    472,573,240.80x = 708,859,861.20 × 127,526,314.20
  4. Step 4: Simplify right side
    472,573,240.80x = 90,398,285,383,159,600
  5. Step 5: Solve for x
    x = 90,398,285,383,159,600/472,573,240.80
  6. Step 6: Final answer
    x = 191,289,471.30

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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.