Home / 694,117,882.11-957,900,301.65-380,852,013.09

Finding the Fourth Proportional to 694,117,882.11, 957,900,301.65 and 380,852,013.09

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Solution

The fourth proportional to 694,117,882.11, 957,900,301.65 and 380,852,013.09 is: 525,585,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,117,882.11 : 957,900,301.65 = 380,852,013.09 : x
  2. Step 2: Convert to fraction form
    694,117,882.11/957,900,301.65 = 380,852,013.09/x
  3. Step 3: Cross multiply
    694,117,882.11x = 957,900,301.65 × 380,852,013.09
  4. Step 4: Simplify right side
    694,117,882.11x = 364,818,258,222,920,704
  5. Step 5: Solve for x
    x = 364,818,258,222,920,704/694,117,882.11
  6. Step 6: Final answer
    x = 525,585,448.27

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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.