Home / 779,593,301.10-1,170,051,300.45-319,861,406.70

Finding the Fourth Proportional to 779,593,301.10, 1,170,051,300.45 and 319,861,406.70

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Solution

The fourth proportional to 779,593,301.10, 1,170,051,300.45 and 319,861,406.70 is: 480,063,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,593,301.10 : 1,170,051,300.45 = 319,861,406.70 : x
  2. Step 2: Convert to fraction form
    779,593,301.10/1,170,051,300.45 = 319,861,406.70/x
  3. Step 3: Cross multiply
    779,593,301.10x = 1,170,051,300.45 × 319,861,406.70
  4. Step 4: Simplify right side
    779,593,301.10x = 374,254,254,873,101,376
  5. Step 5: Solve for x
    x = 374,254,254,873,101,376/779,593,301.10
  6. Step 6: Final answer
    x = 480,063,456.61

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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.