Home / 891,810,049.60-1,337,715,074.40-811,456,170.40

Finding the Fourth Proportional to 891,810,049.60, 1,337,715,074.40 and 811,456,170.40

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Solution

The fourth proportional to 891,810,049.60, 1,337,715,074.40 and 811,456,170.40 is: 1,217,184,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,810,049.60 : 1,337,715,074.40 = 811,456,170.40 : x
  2. Step 2: Convert to fraction form
    891,810,049.60/1,337,715,074.40 = 811,456,170.40/x
  3. Step 3: Cross multiply
    891,810,049.60x = 1,337,715,074.40 × 811,456,170.40
  4. Step 4: Simplify right side
    891,810,049.60x = 1,085,497,151,358,975,104
  5. Step 5: Solve for x
    x = 1,085,497,151,358,975,104/891,810,049.60
  6. Step 6: Final answer
    x = 1,217,184,255.60

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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.