Home / 9,377,819,428.80-12,941,416,276.56-5,149,005,222.72

Finding the Fourth Proportional to 9,377,819,428.80, 12,941,416,276.56 and 5,149,005,222.72

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Solution

The fourth proportional to 9,377,819,428.80, 12,941,416,276.56 and 5,149,005,222.72 is: 7,105,641,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377,819,428.80 : 12,941,416,276.56 = 5,149,005,222.72 : x
  2. Step 2: Convert to fraction form
    9,377,819,428.80/12,941,416,276.56 = 5,149,005,222.72/x
  3. Step 3: Cross multiply
    9,377,819,428.80x = 12,941,416,276.56 × 5,149,005,222.72
  4. Step 4: Simplify right side
    9,377,819,428.80x = 66,635,419,997,401,055,232
  5. Step 5: Solve for x
    x = 66,635,419,997,401,055,232/9,377,819,428.80
  6. Step 6: Final answer
    x = 7,105,641,189.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.