Home / 480,743,880.06-721,114,698.82-315,788,620.98

Finding the Fourth Proportional to 480,743,880.06, 721,114,698.82 and 315,788,620.98

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Solution

The fourth proportional to 480,743,880.06, 721,114,698.82 and 315,788,620.98 is: 473,682,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,743,880.06 : 721,114,698.82 = 315,788,620.98 : x
  2. Step 2: Convert to fraction form
    480,743,880.06/721,114,698.82 = 315,788,620.98/x
  3. Step 3: Cross multiply
    480,743,880.06x = 721,114,698.82 × 315,788,620.98
  4. Step 4: Simplify right side
    480,743,880.06x = 227,719,816,305,170,304
  5. Step 5: Solve for x
    x = 227,719,816,305,170,304/480,743,880.06
  6. Step 6: Final answer
    x = 473,682,194.93

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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.