Home / 5,179,283,672.17-7,147,118,007.29-2,921,088,228.61

Finding the Fourth Proportional to 5,179,283,672.17, 7,147,118,007.29 and 2,921,088,228.61

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Solution

The fourth proportional to 5,179,283,672.17, 7,147,118,007.29 and 2,921,088,228.61 is: 4,030,936,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,283,672.17 : 7,147,118,007.29 = 2,921,088,228.61 : x
  2. Step 2: Convert to fraction form
    5,179,283,672.17/7,147,118,007.29 = 2,921,088,228.61/x
  3. Step 3: Cross multiply
    5,179,283,672.17x = 7,147,118,007.29 × 2,921,088,228.61
  4. Step 4: Simplify right side
    5,179,283,672.17x = 20,877,362,279,581,380,608
  5. Step 5: Solve for x
    x = 20,877,362,279,581,380,608/5,179,283,672.17
  6. Step 6: Final answer
    x = 4,030,936,245.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.