Home / 320,714,216.78-442,585,619.19-174,036,500.78

Finding the Fourth Proportional to 320,714,216.78, 442,585,619.19 and 174,036,500.78

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Solution

The fourth proportional to 320,714,216.78, 442,585,619.19 and 174,036,500.78 is: 240,170,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,714,216.78 : 442,585,619.19 = 174,036,500.78 : x
  2. Step 2: Convert to fraction form
    320,714,216.78/442,585,619.19 = 174,036,500.78/x
  3. Step 3: Cross multiply
    320,714,216.78x = 442,585,619.19 × 174,036,500.78
  4. Step 4: Simplify right side
    320,714,216.78x = 77,026,052,457,164,288
  5. Step 5: Solve for x
    x = 77,026,052,457,164,288/320,714,216.78
  6. Step 6: Final answer
    x = 240,170,371.09

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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.