Home / 693,376,185.91-956,919,671.17-380,170,934.33

Finding the Fourth Proportional to 693,376,185.91, 956,919,671.17 and 380,170,934.33

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Solution

The fourth proportional to 693,376,185.91, 956,919,671.17 and 380,170,934.33 is: 524,669,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,376,185.91 : 956,919,671.17 = 380,170,934.33 : x
  2. Step 2: Convert to fraction form
    693,376,185.91/956,919,671.17 = 380,170,934.33/x
  3. Step 3: Cross multiply
    693,376,185.91x = 956,919,671.17 × 380,170,934.33
  4. Step 4: Simplify right side
    693,376,185.91x = 363,793,045,467,455,232
  5. Step 5: Solve for x
    x = 363,793,045,467,455,232/693,376,185.91
  6. Step 6: Final answer
    x = 524,669,079.87

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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.