Home / 800,266,119.92-1,104,482,762.69-461,109,638.87

Finding the Fourth Proportional to 800,266,119.92, 1,104,482,762.69 and 461,109,638.87

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Solution

The fourth proportional to 800,266,119.92, 1,104,482,762.69 and 461,109,638.87 is: 636,397,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,266,119.92 : 1,104,482,762.69 = 461,109,638.87 : x
  2. Step 2: Convert to fraction form
    800,266,119.92/1,104,482,762.69 = 461,109,638.87/x
  3. Step 3: Cross multiply
    800,266,119.92x = 1,104,482,762.69 × 461,109,638.87
  4. Step 4: Simplify right side
    800,266,119.92x = 509,287,647,834,297,856
  5. Step 5: Solve for x
    x = 509,287,647,834,297,856/800,266,119.92
  6. Step 6: Final answer
    x = 636,397,862.11

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1.5x scale

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.