Home / 5,381,944,852.40-8,072,917,278.60-3,930,756,628.40

Finding the Fourth Proportional to 5,381,944,852.40, 8,072,917,278.60 and 3,930,756,628.40

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Solution

The fourth proportional to 5,381,944,852.40, 8,072,917,278.60 and 3,930,756,628.40 is: 5,896,134,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,944,852.40 : 8,072,917,278.60 = 3,930,756,628.40 : x
  2. Step 2: Convert to fraction form
    5,381,944,852.40/8,072,917,278.60 = 3,930,756,628.40/x
  3. Step 3: Cross multiply
    5,381,944,852.40x = 8,072,917,278.60 × 3,930,756,628.40
  4. Step 4: Simplify right side
    5,381,944,852.40x = 31,732,673,103,381,839,872
  5. Step 5: Solve for x
    x = 31,732,673,103,381,839,872/5,381,944,852.40
  6. Step 6: Final answer
    x = 5,896,134,942.60

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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.