Home / 1,235,840,045.20-1,853,760,067.80-374,239,891.60

Finding the Fourth Proportional to 1,235,840,045.20, 1,853,760,067.80 and 374,239,891.60

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Solution

The fourth proportional to 1,235,840,045.20, 1,853,760,067.80 and 374,239,891.60 is: 561,359,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,840,045.20 : 1,853,760,067.80 = 374,239,891.60 : x
  2. Step 2: Convert to fraction form
    1,235,840,045.20/1,853,760,067.80 = 374,239,891.60/x
  3. Step 3: Cross multiply
    1,235,840,045.20x = 1,853,760,067.80 × 374,239,891.60
  4. Step 4: Simplify right side
    1,235,840,045.20x = 693,750,966,825,880,704
  5. Step 5: Solve for x
    x = 693,750,966,825,880,704/1,235,840,045.20
  6. Step 6: Final answer
    x = 561,359,837.40

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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.