Home / 402,674,375.87-555,625,690.30-226,451,861.77

Finding the Fourth Proportional to 402,674,375.87, 555,625,690.30 and 226,451,861.77

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Solution

The fourth proportional to 402,674,375.87, 555,625,690.30 and 226,451,861.77 is: 312,467,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,674,375.87 : 555,625,690.30 = 226,451,861.77 : x
  2. Step 2: Convert to fraction form
    402,674,375.87/555,625,690.30 = 226,451,861.77/x
  3. Step 3: Cross multiply
    402,674,375.87x = 555,625,690.30 × 226,451,861.77
  4. Step 4: Simplify right side
    402,674,375.87x = 125,822,472,015,676,432
  5. Step 5: Solve for x
    x = 125,822,472,015,676,432/402,674,375.87
  6. Step 6: Final answer
    x = 312,467,044.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.