Home / 783,074,585.28-1,080,337,091.02-448,368,242.88

Finding the Fourth Proportional to 783,074,585.28, 1,080,337,091.02 and 448,368,242.88

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Solution

The fourth proportional to 783,074,585.28, 1,080,337,091.02 and 448,368,242.88 is: 618,573,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,074,585.28 : 1,080,337,091.02 = 448,368,242.88 : x
  2. Step 2: Convert to fraction form
    783,074,585.28/1,080,337,091.02 = 448,368,242.88/x
  3. Step 3: Cross multiply
    783,074,585.28x = 1,080,337,091.02 × 448,368,242.88
  4. Step 4: Simplify right side
    783,074,585.28x = 484,388,843,218,728,000
  5. Step 5: Solve for x
    x = 484,388,843,218,728,000/783,074,585.28
  6. Step 6: Final answer
    x = 618,573,061.01

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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.