Home / 399,418,200.80-598,455,454.80-341,639,410.40

Finding the Fourth Proportional to 399,418,200.80, 598,455,454.80 and 341,639,410.40

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Solution

The fourth proportional to 399,418,200.80, 598,455,454.80 and 341,639,410.40 is: 511,884,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,418,200.80 : 598,455,454.80 = 341,639,410.40 : x
  2. Step 2: Convert to fraction form
    399,418,200.80/598,455,454.80 = 341,639,410.40/x
  3. Step 3: Cross multiply
    399,418,200.80x = 598,455,454.80 × 341,639,410.40
  4. Step 4: Simplify right side
    399,418,200.80x = 204,455,968,728,535,808
  5. Step 5: Solve for x
    x = 204,455,968,728,535,808/399,418,200.80
  6. Step 6: Final answer
    x = 511,884,456.74

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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.