Home / 1,057,054,279.20-1,585,581,418.80-291,149,383.20

Finding the Fourth Proportional to 1,057,054,279.20, 1,585,581,418.80 and 291,149,383.20

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Solution

The fourth proportional to 1,057,054,279.20, 1,585,581,418.80 and 291,149,383.20 is: 436,724,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,054,279.20 : 1,585,581,418.80 = 291,149,383.20 : x
  2. Step 2: Convert to fraction form
    1,057,054,279.20/1,585,581,418.80 = 291,149,383.20/x
  3. Step 3: Cross multiply
    1,057,054,279.20x = 1,585,581,418.80 × 291,149,383.20
  4. Step 4: Simplify right side
    1,057,054,279.20x = 461,641,052,097,000,832
  5. Step 5: Solve for x
    x = 461,641,052,097,000,832/1,057,054,279.20
  6. Step 6: Final answer
    x = 436,724,074.80

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Double scale
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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.