Home / 693,376,184.91-956,919,669.79-380,170,933.33

Finding the Fourth Proportional to 693,376,184.91, 956,919,669.79 and 380,170,933.33

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Solution

The fourth proportional to 693,376,184.91, 956,919,669.79 and 380,170,933.33 is: 524,669,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,376,184.91 : 956,919,669.79 = 380,170,933.33 : x
  2. Step 2: Convert to fraction form
    693,376,184.91/956,919,669.79 = 380,170,933.33/x
  3. Step 3: Cross multiply
    693,376,184.91x = 956,919,669.79 × 380,170,933.33
  4. Step 4: Simplify right side
    693,376,184.91x = 363,793,043,982,065,536
  5. Step 5: Solve for x
    x = 363,793,043,982,065,536/693,376,184.91
  6. Step 6: Final answer
    x = 524,669,078.49

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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.