Home / 21,898,191,406-30,220,098,343.32-12,384,165,874

Finding the Fourth Proportional to 21,898,191,406, 30,220,098,343.32 and 12,384,165,874

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Solution

The fourth proportional to 21,898,191,406, 30,220,098,343.32 and 12,384,165,874 is: 17,090,484,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,898,191,406 : 30,220,098,343.32 = 12,384,165,874 : x
  2. Step 2: Convert to fraction form
    21,898,191,406/30,220,098,343.32 = 12,384,165,874/x
  3. Step 3: Cross multiply
    21,898,191,406x = 30,220,098,343.32 × 12,384,165,874
  4. Step 4: Simplify right side
    21,898,191,406x = 374,250,710,612,267,499,520
  5. Step 5: Solve for x
    x = 374,250,710,612,267,499,520/21,898,191,406
  6. Step 6: Final answer
    x = 17,090,484,947.98

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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.