Home / 3,956,267,894.28-5,459,660,437.52-2,172,236,901.08

Finding the Fourth Proportional to 3,956,267,894.28, 5,459,660,437.52 and 2,172,236,901.08

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Solution

The fourth proportional to 3,956,267,894.28, 5,459,660,437.52 and 2,172,236,901.08 is: 2,997,692,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,267,894.28 : 5,459,660,437.52 = 2,172,236,901.08 : x
  2. Step 2: Convert to fraction form
    3,956,267,894.28/5,459,660,437.52 = 2,172,236,901.08/x
  3. Step 3: Cross multiply
    3,956,267,894.28x = 5,459,660,437.52 × 2,172,236,901.08
  4. Step 4: Simplify right side
    3,956,267,894.28x = 11,859,675,869,747,521,536
  5. Step 5: Solve for x
    x = 11,859,675,869,747,521,536/3,956,267,894.28
  6. Step 6: Final answer
    x = 2,997,692,822.29

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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.