Home / 265,719,052.80-398,578,579.20-238,845,196.80

Finding the Fourth Proportional to 265,719,052.80, 398,578,579.20 and 238,845,196.80

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Solution

The fourth proportional to 265,719,052.80, 398,578,579.20 and 238,845,196.80 is: 358,267,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,719,052.80 : 398,578,579.20 = 238,845,196.80 : x
  2. Step 2: Convert to fraction form
    265,719,052.80/398,578,579.20 = 238,845,196.80/x
  3. Step 3: Cross multiply
    265,719,052.80x = 398,578,579.20 × 238,845,196.80
  4. Step 4: Simplify right side
    265,719,052.80x = 95,198,579,189,288,384
  5. Step 5: Solve for x
    x = 95,198,579,189,288,384/265,719,052.80
  6. Step 6: Final answer
    x = 358,267,795.20

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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.