Home / 319,554,265.40-479,331,398.10-115,055,768.60

Finding the Fourth Proportional to 319,554,265.40, 479,331,398.10 and 115,055,768.60

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Solution

The fourth proportional to 319,554,265.40, 479,331,398.10 and 115,055,768.60 is: 172,583,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,554,265.40 : 479,331,398.10 = 115,055,768.60 : x
  2. Step 2: Convert to fraction form
    319,554,265.40/479,331,398.10 = 115,055,768.60/x
  3. Step 3: Cross multiply
    319,554,265.40x = 479,331,398.10 × 115,055,768.60
  4. Step 4: Simplify right side
    319,554,265.40x = 55,149,842,422,508,080
  5. Step 5: Solve for x
    x = 55,149,842,422,508,080/319,554,265.40
  6. Step 6: Final answer
    x = 172,583,652.90

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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.