Home / 896,724,105.90-1,345,086,158.85-550,555,248.30

Finding the Fourth Proportional to 896,724,105.90, 1,345,086,158.85 and 550,555,248.30

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Solution

The fourth proportional to 896,724,105.90, 1,345,086,158.85 and 550,555,248.30 is: 825,832,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,724,105.90 : 1,345,086,158.85 = 550,555,248.30 : x
  2. Step 2: Convert to fraction form
    896,724,105.90/1,345,086,158.85 = 550,555,248.30/x
  3. Step 3: Cross multiply
    896,724,105.90x = 1,345,086,158.85 × 550,555,248.30
  4. Step 4: Simplify right side
    896,724,105.90x = 740,544,244,170,554,880
  5. Step 5: Solve for x
    x = 740,544,244,170,554,880/896,724,105.90
  6. Step 6: Final answer
    x = 825,832,872.45

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Double scale
Find fourth proportional to 896,724,106.90, 1,345,086,160.35 and 550,555,249.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.