Home / 694,543,343.20-958,470,733.61-377,003,382.95

Finding the Fourth Proportional to 694,543,343.20, 958,470,733.61 and 377,003,382.95

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Solution

The fourth proportional to 694,543,343.20, 958,470,733.61 and 377,003,382.95 is: 520,265,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,543,343.20 : 958,470,733.61 = 377,003,382.95 : x
  2. Step 2: Convert to fraction form
    694,543,343.20/958,470,733.61 = 377,003,382.95/x
  3. Step 3: Cross multiply
    694,543,343.20x = 958,470,733.61 × 377,003,382.95
  4. Step 4: Simplify right side
    694,543,343.20x = 361,346,709,027,653,248
  5. Step 5: Solve for x
    x = 361,346,709,027,653,248/694,543,343.20
  6. Step 6: Final answer
    x = 520,265,167.85

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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.