Home / 320,714,217.28-442,585,619.88-174,036,501.28

Finding the Fourth Proportional to 320,714,217.28, 442,585,619.88 and 174,036,501.28

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Solution

The fourth proportional to 320,714,217.28, 442,585,619.88 and 174,036,501.28 is: 240,170,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,714,217.28 : 442,585,619.88 = 174,036,501.28 : x
  2. Step 2: Convert to fraction form
    320,714,217.28/442,585,619.88 = 174,036,501.28/x
  3. Step 3: Cross multiply
    320,714,217.28x = 442,585,619.88 × 174,036,501.28
  4. Step 4: Simplify right side
    320,714,217.28x = 77,026,052,798,542,288
  5. Step 5: Solve for x
    x = 77,026,052,798,542,288/320,714,217.28
  6. Step 6: Final answer
    x = 240,170,371.78

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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.