Home / 625,696,412.22-864,177,676.94-412,070,016.43

Finding the Fourth Proportional to 625,696,412.22, 864,177,676.94 and 412,070,016.43

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Solution

The fourth proportional to 625,696,412.22, 864,177,676.94 and 412,070,016.43 is: 569,128,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,412.22 : 864,177,676.94 = 412,070,016.43 : x
  2. Step 2: Convert to fraction form
    625,696,412.22/864,177,676.94 = 412,070,016.43/x
  3. Step 3: Cross multiply
    625,696,412.22x = 864,177,676.94 × 412,070,016.43
  4. Step 4: Simplify right side
    625,696,412.22x = 356,101,709,535,105,088
  5. Step 5: Solve for x
    x = 356,101,709,535,105,088/625,696,412.22
  6. Step 6: Final answer
    x = 569,128,578.30

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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.