Home / 327,111,919.20-490,251,085.20-173,831,407.20

Finding the Fourth Proportional to 327,111,919.20, 490,251,085.20 and 173,831,407.20

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Solution

The fourth proportional to 327,111,919.20, 490,251,085.20 and 173,831,407.20 is: 260,525,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,111,919.20 : 490,251,085.20 = 173,831,407.20 : x
  2. Step 2: Convert to fraction form
    327,111,919.20/490,251,085.20 = 173,831,407.20/x
  3. Step 3: Cross multiply
    327,111,919.20x = 490,251,085.20 × 173,831,407.20
  4. Step 4: Simplify right side
    327,111,919.20x = 85,221,036,021,643,088
  5. Step 5: Solve for x
    x = 85,221,036,021,643,088/327,111,919.20
  6. Step 6: Final answer
    x = 260,525,621.41

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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.