Home / 3,878,737,005.84-5,818,105,585.64-931,016,623.65

Finding the Fourth Proportional to 3,878,737,005.84, 5,818,105,585.64 and 931,016,623.65

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Solution

The fourth proportional to 3,878,737,005.84, 5,818,105,585.64 and 931,016,623.65 is: 1,396,524,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,737,005.84 : 5,818,105,585.64 = 931,016,623.65 : x
  2. Step 2: Convert to fraction form
    3,878,737,005.84/5,818,105,585.64 = 931,016,623.65/x
  3. Step 3: Cross multiply
    3,878,737,005.84x = 5,818,105,585.64 × 931,016,623.65
  4. Step 4: Simplify right side
    3,878,737,005.84x = 5,416,753,018,381,758,464
  5. Step 5: Solve for x
    x = 5,416,753,018,381,758,464/3,878,737,005.84
  6. Step 6: Final answer
    x = 1,396,524,953.93

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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.