Home / 646,207,767.76-968,971,529.40-441,794,301.52

Finding the Fourth Proportional to 646,207,767.76, 968,971,529.40 and 441,794,301.52

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Solution

The fourth proportional to 646,207,767.76, 968,971,529.40 and 441,794,301.52 is: 662,458,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,207,767.76 : 968,971,529.40 = 441,794,301.52 : x
  2. Step 2: Convert to fraction form
    646,207,767.76/968,971,529.40 = 441,794,301.52/x
  3. Step 3: Cross multiply
    646,207,767.76x = 968,971,529.40 × 441,794,301.52
  4. Step 4: Simplify right side
    646,207,767.76x = 428,086,100,024,039,104
  5. Step 5: Solve for x
    x = 428,086,100,024,039,104/646,207,767.76
  6. Step 6: Final answer
    x = 662,458,920.15

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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.