Home / 395,037,568.76-545,340,882.66-263,098,133.24

Finding the Fourth Proportional to 395,037,568.76, 545,340,882.66 and 263,098,133.24

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Solution

The fourth proportional to 395,037,568.76, 545,340,882.66 and 263,098,133.24 is: 363,201,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,037,568.76 : 545,340,882.66 = 263,098,133.24 : x
  2. Step 2: Convert to fraction form
    395,037,568.76/545,340,882.66 = 263,098,133.24/x
  3. Step 3: Cross multiply
    395,037,568.76x = 545,340,882.66 × 263,098,133.24
  4. Step 4: Simplify right side
    395,037,568.76x = 143,478,168,207,299,888
  5. Step 5: Solve for x
    x = 143,478,168,207,299,888/395,037,568.76
  6. Step 6: Final answer
    x = 363,201,324.52

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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.