Home / 1,181,795,803.92-1,631,080,723.86-687,045,490.56

Finding the Fourth Proportional to 1,181,795,803.92, 1,631,080,723.86 and 687,045,490.56

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Solution

The fourth proportional to 1,181,795,803.92, 1,631,080,723.86 and 687,045,490.56 is: 948,240,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,795,803.92 : 1,631,080,723.86 = 687,045,490.56 : x
  2. Step 2: Convert to fraction form
    1,181,795,803.92/1,631,080,723.86 = 687,045,490.56/x
  3. Step 3: Cross multiply
    1,181,795,803.92x = 1,631,080,723.86 × 687,045,490.56
  4. Step 4: Simplify right side
    1,181,795,803.92x = 1,120,626,656,067,353,472
  5. Step 5: Solve for x
    x = 1,120,626,656,067,353,472/1,181,795,803.92
  6. Step 6: Final answer
    x = 948,240,510.21

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Double scale
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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.