Home / 20,694,544,236.40-31,047,334,686.59-7,429,917,438.38

Finding the Fourth Proportional to 20,694,544,236.40, 31,047,334,686.59 and 7,429,917,438.38

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Solution

The fourth proportional to 20,694,544,236.40, 31,047,334,686.59 and 7,429,917,438.38 is: 11,146,857,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,544,236.40 : 31,047,334,686.59 = 7,429,917,438.38 : x
  2. Step 2: Convert to fraction form
    20,694,544,236.40/31,047,334,686.59 = 7,429,917,438.38/x
  3. Step 3: Cross multiply
    20,694,544,236.40x = 31,047,334,686.59 × 7,429,917,438.38
  4. Step 4: Simplify right side
    20,694,544,236.40x = 230,679,133,403,207,761,920
  5. Step 5: Solve for x
    x = 230,679,133,403,207,761,920/20,694,544,236.40
  6. Step 6: Final answer
    x = 11,146,857,392.37

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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.