Home / 689,784,341.40-1,034,691,213.60-247,155,933.96

Finding the Fourth Proportional to 689,784,341.40, 1,034,691,213.60 and 247,155,933.96

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Solution

The fourth proportional to 689,784,341.40, 1,034,691,213.60 and 247,155,933.96 is: 370,739,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,784,341.40 : 1,034,691,213.60 = 247,155,933.96 : x
  2. Step 2: Convert to fraction form
    689,784,341.40/1,034,691,213.60 = 247,155,933.96/x
  3. Step 3: Cross multiply
    689,784,341.40x = 1,034,691,213.60 × 247,155,933.96
  4. Step 4: Simplify right side
    689,784,341.40x = 255,730,073,257,513,856
  5. Step 5: Solve for x
    x = 255,730,073,257,513,856/689,784,341.40
  6. Step 6: Final answer
    x = 370,739,168.62

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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.