Home / 880,590,915.28-1,215,216,244.94-484,120,650.35

Finding the Fourth Proportional to 880,590,915.28, 1,215,216,244.94 and 484,120,650.35

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Solution

The fourth proportional to 880,590,915.28, 1,215,216,244.94 and 484,120,650.35 is: 668,086,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,590,915.28 : 1,215,216,244.94 = 484,120,650.35 : x
  2. Step 2: Convert to fraction form
    880,590,915.28/1,215,216,244.94 = 484,120,650.35/x
  3. Step 3: Cross multiply
    880,590,915.28x = 1,215,216,244.94 × 484,120,650.35
  4. Step 4: Simplify right side
    880,590,915.28x = 588,311,278,816,237,696
  5. Step 5: Solve for x
    x = 588,311,278,816,237,696/880,590,915.28
  6. Step 6: Final answer
    x = 668,086,927.32

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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.