Home / 800,266,119.17-1,104,482,761.65-461,109,638.12

Finding the Fourth Proportional to 800,266,119.17, 1,104,482,761.65 and 461,109,638.12

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Solution

The fourth proportional to 800,266,119.17, 1,104,482,761.65 and 461,109,638.12 is: 636,397,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,266,119.17 : 1,104,482,761.65 = 461,109,638.12 : x
  2. Step 2: Convert to fraction form
    800,266,119.17/1,104,482,761.65 = 461,109,638.12/x
  3. Step 3: Cross multiply
    800,266,119.17x = 1,104,482,761.65 × 461,109,638.12
  4. Step 4: Simplify right side
    800,266,119.17x = 509,287,646,528,687,360
  5. Step 5: Solve for x
    x = 509,287,646,528,687,360/800,266,119.17
  6. Step 6: Final answer
    x = 636,397,861.08

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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.