Home / 617,094,542.66-851,615,021.40-338,646,030.80

Finding the Fourth Proportional to 617,094,542.66, 851,615,021.40 and 338,646,030.80

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Solution

The fourth proportional to 617,094,542.66, 851,615,021.40 and 338,646,030.80 is: 467,344,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,094,542.66 : 851,615,021.40 = 338,646,030.80 : x
  2. Step 2: Convert to fraction form
    617,094,542.66/851,615,021.40 = 338,646,030.80/x
  3. Step 3: Cross multiply
    617,094,542.66x = 851,615,021.40 × 338,646,030.80
  4. Step 4: Simplify right side
    617,094,542.66x = 288,396,046,766,767,040
  5. Step 5: Solve for x
    x = 288,396,046,766,767,040/617,094,542.66
  6. Step 6: Final answer
    x = 467,344,996.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.