Home / 265,060,400,843.64-397,646,508,859.88-85,972,479,109.34

Finding the Fourth Proportional to 265,060,400,843.64, 397,646,508,859.88 and 85,972,479,109.34

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Solution

The fourth proportional to 265,060,400,843.64, 397,646,508,859.88 and 85,972,479,109.34 is: 128,976,852,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,060,400,843.64 : 397,646,508,859.88 = 85,972,479,109.34 : x
  2. Step 2: Convert to fraction form
    265,060,400,843.64/397,646,508,859.88 = 85,972,479,109.34/x
  3. Step 3: Cross multiply
    265,060,400,843.64x = 397,646,508,859.88 × 85,972,479,109.34
  4. Step 4: Simplify right side
    265,060,400,843.64x = 34,186,656,175,858,013,700,096
  5. Step 5: Solve for x
    x = 34,186,656,175,858,013,700,096/265,060,400,843.64
  6. Step 6: Final answer
    x = 128,976,852,321.39

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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.