Home / 790,278,776.88-1,185,420,186.23-200,069,079.73

Finding the Fourth Proportional to 790,278,776.88, 1,185,420,186.23 and 200,069,079.73

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Solution

The fourth proportional to 790,278,776.88, 1,185,420,186.23 and 200,069,079.73 is: 300,104,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,278,776.88 : 1,185,420,186.23 = 200,069,079.73 : x
  2. Step 2: Convert to fraction form
    790,278,776.88/1,185,420,186.23 = 200,069,079.73/x
  3. Step 3: Cross multiply
    790,278,776.88x = 1,185,420,186.23 × 200,069,079.73
  4. Step 4: Simplify right side
    790,278,776.88x = 237,165,925,752,401,312
  5. Step 5: Solve for x
    x = 237,165,925,752,401,312/790,278,776.88
  6. Step 6: Final answer
    x = 300,104,131.21

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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.