Home / 783,040,634.64-1,080,290,238.84-448,334,276.56

Finding the Fourth Proportional to 783,040,634.64, 1,080,290,238.84 and 448,334,276.56

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Solution

The fourth proportional to 783,040,634.64, 1,080,290,238.84 and 448,334,276.56 is: 618,526,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,040,634.64 : 1,080,290,238.84 = 448,334,276.56 : x
  2. Step 2: Convert to fraction form
    783,040,634.64/1,080,290,238.84 = 448,334,276.56/x
  3. Step 3: Cross multiply
    783,040,634.64x = 1,080,290,238.84 × 448,334,276.56
  4. Step 4: Simplify right side
    783,040,634.64x = 484,331,142,705,160,960
  5. Step 5: Solve for x
    x = 484,331,142,705,160,960/783,040,634.64
  6. Step 6: Final answer
    x = 618,526,193.00

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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.