Home / 664,393,343.55-995,654,346.85-508,343,001.31

Finding the Fourth Proportional to 664,393,343.55, 995,654,346.85 and 508,343,001.31

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Solution

The fourth proportional to 664,393,343.55, 995,654,346.85 and 508,343,001.31 is: 761,798,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,393,343.55 : 995,654,346.85 = 508,343,001.31 : x
  2. Step 2: Convert to fraction form
    664,393,343.55/995,654,346.85 = 508,343,001.31/x
  3. Step 3: Cross multiply
    664,393,343.55x = 995,654,346.85 × 508,343,001.31
  4. Step 4: Simplify right side
    664,393,343.55x = 506,133,918,945,076,736
  5. Step 5: Solve for x
    x = 506,133,918,945,076,736/664,393,343.55
  6. Step 6: Final answer
    x = 761,798,599.97

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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.