Home / 827,377,449.60-1,241,066,174.40-482,720,246.40

Finding the Fourth Proportional to 827,377,449.60, 1,241,066,174.40 and 482,720,246.40

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Solution

The fourth proportional to 827,377,449.60, 1,241,066,174.40 and 482,720,246.40 is: 724,080,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,377,449.60 : 1,241,066,174.40 = 482,720,246.40 : x
  2. Step 2: Convert to fraction form
    827,377,449.60/1,241,066,174.40 = 482,720,246.40/x
  3. Step 3: Cross multiply
    827,377,449.60x = 1,241,066,174.40 × 482,720,246.40
  4. Step 4: Simplify right side
    827,377,449.60x = 599,087,769,505,073,408
  5. Step 5: Solve for x
    x = 599,087,769,505,073,408/827,377,449.60
  6. Step 6: Final answer
    x = 724,080,369.60

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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.