Home / 393,246,504.36-589,803,990.66-144,200,298.06

Finding the Fourth Proportional to 393,246,504.36, 589,803,990.66 and 144,200,298.06

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Solution

The fourth proportional to 393,246,504.36, 589,803,990.66 and 144,200,298.06 is: 216,276,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,246,504.36 : 589,803,990.66 = 144,200,298.06 : x
  2. Step 2: Convert to fraction form
    393,246,504.36/589,803,990.66 = 144,200,298.06/x
  3. Step 3: Cross multiply
    393,246,504.36x = 589,803,990.66 × 144,200,298.06
  4. Step 4: Simplify right side
    393,246,504.36x = 85,049,911,250,149,456
  5. Step 5: Solve for x
    x = 85,049,911,250,149,456/393,246,504.36
  6. Step 6: Final answer
    x = 216,276,331.28

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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.