Home / 480,743,879.56-721,114,698.07-315,788,620.48

Finding the Fourth Proportional to 480,743,879.56, 721,114,698.07 and 315,788,620.48

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Solution

The fourth proportional to 480,743,879.56, 721,114,698.07 and 315,788,620.48 is: 473,682,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,743,879.56 : 721,114,698.07 = 315,788,620.48 : x
  2. Step 2: Convert to fraction form
    480,743,879.56/721,114,698.07 = 315,788,620.48/x
  3. Step 3: Cross multiply
    480,743,879.56x = 721,114,698.07 × 315,788,620.48
  4. Step 4: Simplify right side
    480,743,879.56x = 227,719,815,707,771,488
  5. Step 5: Solve for x
    x = 227,719,815,707,771,488/480,743,879.56
  6. Step 6: Final answer
    x = 473,682,194.18

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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.