Home / 2,887,519,285.91-4,330,766,938.28-1,313,257,851.50

Finding the Fourth Proportional to 2,887,519,285.91, 4,330,766,938.28 and 1,313,257,851.50

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Solution

The fourth proportional to 2,887,519,285.91, 4,330,766,938.28 and 1,313,257,851.50 is: 1,969,653,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,519,285.91 : 4,330,766,938.28 = 1,313,257,851.50 : x
  2. Step 2: Convert to fraction form
    2,887,519,285.91/4,330,766,938.28 = 1,313,257,851.50/x
  3. Step 3: Cross multiply
    2,887,519,285.91x = 4,330,766,938.28 × 1,313,257,851.50
  4. Step 4: Simplify right side
    2,887,519,285.91x = 5,687,413,684,684,604,416
  5. Step 5: Solve for x
    x = 5,687,413,684,684,604,416/2,887,519,285.91
  6. Step 6: Final answer
    x = 1,969,653,921.42

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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.