Home / 782,207,750.07-1,172,582,209.98-264,275,980.29

Finding the Fourth Proportional to 782,207,750.07, 1,172,582,209.98 and 264,275,980.29

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Solution

The fourth proportional to 782,207,750.07, 1,172,582,209.98 and 264,275,980.29 is: 396,167,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,207,750.07 : 1,172,582,209.98 = 264,275,980.29 : x
  2. Step 2: Convert to fraction form
    782,207,750.07/1,172,582,209.98 = 264,275,980.29/x
  3. Step 3: Cross multiply
    782,207,750.07x = 1,172,582,209.98 × 264,275,980.29
  4. Step 4: Simplify right side
    782,207,750.07x = 309,885,313,013,079,104
  5. Step 5: Solve for x
    x = 309,885,313,013,079,104/782,207,750.07
  6. Step 6: Final answer
    x = 396,167,530.92

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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.