Home / 1,085,734,739.19-1,629,152,148.78-495,459,565.47

Finding the Fourth Proportional to 1,085,734,739.19, 1,629,152,148.78 and 495,459,565.47

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Solution

The fourth proportional to 1,085,734,739.19, 1,629,152,148.78 and 495,459,565.47 is: 743,440,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,734,739.19 : 1,629,152,148.78 = 495,459,565.47 : x
  2. Step 2: Convert to fraction form
    1,085,734,739.19/1,629,152,148.78 = 495,459,565.47/x
  3. Step 3: Cross multiply
    1,085,734,739.19x = 1,629,152,148.78 × 495,459,565.47
  4. Step 4: Simplify right side
    1,085,734,739.19x = 807,179,015,719,055,616
  5. Step 5: Solve for x
    x = 807,179,015,719,055,616/1,085,734,739.19
  6. Step 6: Final answer
    x = 743,440,351.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.