Home / 617,094,543.66-851,615,022.78-338,646,031.80

Finding the Fourth Proportional to 617,094,543.66, 851,615,022.78 and 338,646,031.80

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Solution

The fourth proportional to 617,094,543.66, 851,615,022.78 and 338,646,031.80 is: 467,344,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,094,543.66 : 851,615,022.78 = 338,646,031.80 : x
  2. Step 2: Convert to fraction form
    617,094,543.66/851,615,022.78 = 338,646,031.80/x
  3. Step 3: Cross multiply
    617,094,543.66x = 851,615,022.78 × 338,646,031.80
  4. Step 4: Simplify right side
    617,094,543.66x = 288,396,048,085,713,600
  5. Step 5: Solve for x
    x = 288,396,048,085,713,600/617,094,543.66
  6. Step 6: Final answer
    x = 467,344,997.70

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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.