Home / 693,376,186.91-956,919,672.55-380,170,935.33

Finding the Fourth Proportional to 693,376,186.91, 956,919,672.55 and 380,170,935.33

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Solution

The fourth proportional to 693,376,186.91, 956,919,672.55 and 380,170,935.33 is: 524,669,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,376,186.91 : 956,919,672.55 = 380,170,935.33 : x
  2. Step 2: Convert to fraction form
    693,376,186.91/956,919,672.55 = 380,170,935.33/x
  3. Step 3: Cross multiply
    693,376,186.91x = 956,919,672.55 × 380,170,935.33
  4. Step 4: Simplify right side
    693,376,186.91x = 363,793,046,949,010,816
  5. Step 5: Solve for x
    x = 363,793,046,949,010,816/693,376,186.91
  6. Step 6: Final answer
    x = 524,669,081.25

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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.