Home / 790,240,761.60-1,185,405,932.16-245,059,802.88

Finding the Fourth Proportional to 790,240,761.60, 1,185,405,932.16 and 245,059,802.88

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Solution

The fourth proportional to 790,240,761.60, 1,185,405,932.16 and 245,059,802.88 is: 367,603,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,240,761.60 : 1,185,405,932.16 = 245,059,802.88 : x
  2. Step 2: Convert to fraction form
    790,240,761.60/1,185,405,932.16 = 245,059,802.88/x
  3. Step 3: Cross multiply
    790,240,761.60x = 1,185,405,932.16 × 245,059,802.88
  4. Step 4: Simplify right side
    790,240,761.60x = 290,495,344,067,912,256
  5. Step 5: Solve for x
    x = 290,495,344,067,912,256/790,240,761.60
  6. Step 6: Final answer
    x = 367,603,593.97

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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.