Home / 987,714,200.10-1,481,571,300.15-827,006,441.70

Finding the Fourth Proportional to 987,714,200.10, 1,481,571,300.15 and 827,006,441.70

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Solution

The fourth proportional to 987,714,200.10, 1,481,571,300.15 and 827,006,441.70 is: 1,240,509,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,714,200.10 : 1,481,571,300.15 = 827,006,441.70 : x
  2. Step 2: Convert to fraction form
    987,714,200.10/1,481,571,300.15 = 827,006,441.70/x
  3. Step 3: Cross multiply
    987,714,200.10x = 1,481,571,300.15 × 827,006,441.70
  4. Step 4: Simplify right side
    987,714,200.10x = 1,225,269,009,061,894,400
  5. Step 5: Solve for x
    x = 1,225,269,009,061,894,400/987,714,200.10
  6. Step 6: Final answer
    x = 1,240,509,662.55

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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.