Home / 877,235,469.60-1,315,853,204.40-851,726,301.60

Finding the Fourth Proportional to 877,235,469.60, 1,315,853,204.40 and 851,726,301.60

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Solution

The fourth proportional to 877,235,469.60, 1,315,853,204.40 and 851,726,301.60 is: 1,277,589,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,235,469.60 : 1,315,853,204.40 = 851,726,301.60 : x
  2. Step 2: Convert to fraction form
    877,235,469.60/1,315,853,204.40 = 851,726,301.60/x
  3. Step 3: Cross multiply
    877,235,469.60x = 1,315,853,204.40 × 851,726,301.60
  4. Step 4: Simplify right side
    877,235,469.60x = 1,120,746,783,232,120,960
  5. Step 5: Solve for x
    x = 1,120,746,783,232,120,960/877,235,469.60
  6. Step 6: Final answer
    x = 1,277,589,452.40

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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.