Home / 783,040,630.63-1,080,290,233.32-448,334,272.57

Finding the Fourth Proportional to 783,040,630.63, 1,080,290,233.32 and 448,334,272.57

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Solution

The fourth proportional to 783,040,630.63, 1,080,290,233.32 and 448,334,272.57 is: 618,526,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,040,630.63 : 1,080,290,233.32 = 448,334,272.57 : x
  2. Step 2: Convert to fraction form
    783,040,630.63/1,080,290,233.32 = 448,334,272.57/x
  3. Step 3: Cross multiply
    783,040,630.63x = 1,080,290,233.32 × 448,334,272.57
  4. Step 4: Simplify right side
    783,040,630.63x = 484,331,135,919,997,760
  5. Step 5: Solve for x
    x = 484,331,135,919,997,760/783,040,630.63
  6. Step 6: Final answer
    x = 618,526,187.50

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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.