Home / 747,346,301.70-1,121,019,452.55-398,667,861.60

Finding the Fourth Proportional to 747,346,301.70, 1,121,019,452.55 and 398,667,861.60

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Solution

The fourth proportional to 747,346,301.70, 1,121,019,452.55 and 398,667,861.60 is: 598,001,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,346,301.70 : 1,121,019,452.55 = 398,667,861.60 : x
  2. Step 2: Convert to fraction form
    747,346,301.70/1,121,019,452.55 = 398,667,861.60/x
  3. Step 3: Cross multiply
    747,346,301.70x = 1,121,019,452.55 × 398,667,861.60
  4. Step 4: Simplify right side
    747,346,301.70x = 446,914,427,960,111,168
  5. Step 5: Solve for x
    x = 446,914,427,960,111,168/747,346,301.70
  6. Step 6: Final answer
    x = 598,001,792.40

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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.