Home / 694,260,668.40-1,035,257,131.02-688,029,293.04

Finding the Fourth Proportional to 694,260,668.40, 1,035,257,131.02 and 688,029,293.04

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Solution

The fourth proportional to 694,260,668.40, 1,035,257,131.02 and 688,029,293.04 is: 1,025,965,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,260,668.40 : 1,035,257,131.02 = 688,029,293.04 : x
  2. Step 2: Convert to fraction form
    694,260,668.40/1,035,257,131.02 = 688,029,293.04/x
  3. Step 3: Cross multiply
    694,260,668.40x = 1,035,257,131.02 × 688,029,293.04
  4. Step 4: Simplify right side
    694,260,668.40x = 712,287,231,970,309,248
  5. Step 5: Solve for x
    x = 712,287,231,970,309,248/694,260,668.40
  6. Step 6: Final answer
    x = 1,025,965,122.89

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