Home / 790,278,775.88-1,185,420,184.73-200,069,078.73

Finding the Fourth Proportional to 790,278,775.88, 1,185,420,184.73 and 200,069,078.73

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Solution

The fourth proportional to 790,278,775.88, 1,185,420,184.73 and 200,069,078.73 is: 300,104,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,278,775.88 : 1,185,420,184.73 = 200,069,078.73 : x
  2. Step 2: Convert to fraction form
    790,278,775.88/1,185,420,184.73 = 200,069,078.73/x
  3. Step 3: Cross multiply
    790,278,775.88x = 1,185,420,184.73 × 200,069,078.73
  4. Step 4: Simplify right side
    790,278,775.88x = 237,165,924,265,877,152
  5. Step 5: Solve for x
    x = 237,165,924,265,877,152/790,278,775.88
  6. Step 6: Final answer
    x = 300,104,129.71

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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.