Home / 787,480,846.56-1,086,690,479.04-452,928,108.24

Finding the Fourth Proportional to 787,480,846.56, 1,086,690,479.04 and 452,928,108.24

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Solution

The fourth proportional to 787,480,846.56, 1,086,690,479.04 and 452,928,108.24 is: 625,021,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,480,846.56 : 1,086,690,479.04 = 452,928,108.24 : x
  2. Step 2: Convert to fraction form
    787,480,846.56/1,086,690,479.04 = 452,928,108.24/x
  3. Step 3: Cross multiply
    787,480,846.56x = 1,086,690,479.04 × 452,928,108.24
  4. Step 4: Simplify right side
    787,480,846.56x = 492,192,662,914,006,592
  5. Step 5: Solve for x
    x = 492,192,662,914,006,592/787,480,846.56
  6. Step 6: Final answer
    x = 625,021,757.75

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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.