Home / 800,266,120.67-1,104,482,763.72-461,109,639.62

Finding the Fourth Proportional to 800,266,120.67, 1,104,482,763.72 and 461,109,639.62

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Solution

The fourth proportional to 800,266,120.67, 1,104,482,763.72 and 461,109,639.62 is: 636,397,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,266,120.67 : 1,104,482,763.72 = 461,109,639.62 : x
  2. Step 2: Convert to fraction form
    800,266,120.67/1,104,482,763.72 = 461,109,639.62/x
  3. Step 3: Cross multiply
    800,266,120.67x = 1,104,482,763.72 × 461,109,639.62
  4. Step 4: Simplify right side
    800,266,120.67x = 509,287,649,139,908,416
  5. Step 5: Solve for x
    x = 509,287,649,139,908,416/800,266,120.67
  6. Step 6: Final answer
    x = 636,397,863.15

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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.