Home / 320,798,731.56-442,690,395.30-174,117,866.28

Finding the Fourth Proportional to 320,798,731.56, 442,690,395.30 and 174,117,866.28

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Solution

The fourth proportional to 320,798,731.56, 442,690,395.30 and 174,117,866.28 is: 240,276,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,731.56 : 442,690,395.30 = 174,117,866.28 : x
  2. Step 2: Convert to fraction form
    320,798,731.56/442,690,395.30 = 174,117,866.28/x
  3. Step 3: Cross multiply
    320,798,731.56x = 442,690,395.30 × 174,117,866.28
  4. Step 4: Simplify right side
    320,798,731.56x = 77,080,307,052,285,744
  5. Step 5: Solve for x
    x = 77,080,307,052,285,744/320,798,731.56
  6. Step 6: Final answer
    x = 240,276,221.41

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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.