Home / 491,646,053.70-737,469,080.55-438,076,800.90

Finding the Fourth Proportional to 491,646,053.70, 737,469,080.55 and 438,076,800.90

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Solution

The fourth proportional to 491,646,053.70, 737,469,080.55 and 438,076,800.90 is: 657,115,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,646,053.70 : 737,469,080.55 = 438,076,800.90 : x
  2. Step 2: Convert to fraction form
    491,646,053.70/737,469,080.55 = 438,076,800.90/x
  3. Step 3: Cross multiply
    491,646,053.70x = 737,469,080.55 × 438,076,800.90
  4. Step 4: Simplify right side
    491,646,053.70x = 323,068,095,570,008,384
  5. Step 5: Solve for x
    x = 323,068,095,570,008,384/491,646,053.70
  6. Step 6: Final answer
    x = 657,115,201.35

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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.