Home / 7,131,156,913.92-9,841,303,895.28-3,959,340,986.88

Finding the Fourth Proportional to 7,131,156,913.92, 9,841,303,895.28 and 3,959,340,986.88

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Solution

The fourth proportional to 7,131,156,913.92, 9,841,303,895.28 and 3,959,340,986.88 is: 5,464,061,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,156,913.92 : 9,841,303,895.28 = 3,959,340,986.88 : x
  2. Step 2: Convert to fraction form
    7,131,156,913.92/9,841,303,895.28 = 3,959,340,986.88/x
  3. Step 3: Cross multiply
    7,131,156,913.92x = 9,841,303,895.28 × 3,959,340,986.88
  4. Step 4: Simplify right side
    7,131,156,913.92x = 38,965,077,876,923,908,096
  5. Step 5: Solve for x
    x = 38,965,077,876,923,908,096/7,131,156,913.92
  6. Step 6: Final answer
    x = 5,464,061,210.16

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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.