Home / 880,627,869.20-1,215,267,237-484,157,604.32

Finding the Fourth Proportional to 880,627,869.20, 1,215,267,237 and 484,157,604.32

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Solution

The fourth proportional to 880,627,869.20, 1,215,267,237 and 484,157,604.32 is: 668,137,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,627,869.20 : 1,215,267,237 = 484,157,604.32 : x
  2. Step 2: Convert to fraction form
    880,627,869.20/1,215,267,237 = 484,157,604.32/x
  3. Step 3: Cross multiply
    880,627,869.20x = 1,215,267,237 × 484,157,604.32
  4. Step 4: Simplify right side
    880,627,869.20x = 588,380,874,074,505,600
  5. Step 5: Solve for x
    x = 588,380,874,074,505,600/880,627,869.20
  6. Step 6: Final answer
    x = 668,137,921.42

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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.