Home / 6,447,520,057.20-9,655,155,772.20-5,157,574,969.20

Finding the Fourth Proportional to 6,447,520,057.20, 9,655,155,772.20 and 5,157,574,969.20

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Solution

The fourth proportional to 6,447,520,057.20, 9,655,155,772.20 and 5,157,574,969.20 is: 7,723,464,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,520,057.20 : 9,655,155,772.20 = 5,157,574,969.20 : x
  2. Step 2: Convert to fraction form
    6,447,520,057.20/9,655,155,772.20 = 5,157,574,969.20/x
  3. Step 3: Cross multiply
    6,447,520,057.20x = 9,655,155,772.20 × 5,157,574,969.20
  4. Step 4: Simplify right side
    6,447,520,057.20x = 49,797,189,734,425,616,384
  5. Step 5: Solve for x
    x = 49,797,189,734,425,616,384/6,447,520,057.20
  6. Step 6: Final answer
    x = 7,723,464,105.99

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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.