Home / 694,260,674.40-1,035,257,139.96-688,029,299.04

Finding the Fourth Proportional to 694,260,674.40, 1,035,257,139.96 and 688,029,299.04

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Solution

The fourth proportional to 694,260,674.40, 1,035,257,139.96 and 688,029,299.04 is: 1,025,965,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,260,674.40 : 1,035,257,139.96 = 688,029,299.04 : x
  2. Step 2: Convert to fraction form
    694,260,674.40/1,035,257,139.96 = 688,029,299.04/x
  3. Step 3: Cross multiply
    694,260,674.40x = 1,035,257,139.96 × 688,029,299.04
  4. Step 4: Simplify right side
    694,260,674.40x = 712,287,244,332,833,920
  5. Step 5: Solve for x
    x = 712,287,244,332,833,920/694,260,674.40
  6. Step 6: Final answer
    x = 1,025,965,131.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.