Home / 2,131,388,731.56-3,197,046,836.76-637,423,691.52

Finding the Fourth Proportional to 2,131,388,731.56, 3,197,046,836.76 and 637,423,691.52

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Solution

The fourth proportional to 2,131,388,731.56, 3,197,046,836.76 and 637,423,691.52 is: 956,124,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,388,731.56 : 3,197,046,836.76 = 637,423,691.52 : x
  2. Step 2: Convert to fraction form
    2,131,388,731.56/3,197,046,836.76 = 637,423,691.52/x
  3. Step 3: Cross multiply
    2,131,388,731.56x = 3,197,046,836.76 × 637,423,691.52
  4. Step 4: Simplify right side
    2,131,388,731.56x = 2,037,873,396,649,898,240
  5. Step 5: Solve for x
    x = 2,037,873,396,649,898,240/2,131,388,731.56
  6. Step 6: Final answer
    x = 956,124,693.01

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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.