Home / 1,031,238,912.82-1,423,144,074.39-579,196,540.66

Finding the Fourth Proportional to 1,031,238,912.82, 1,423,144,074.39 and 579,196,540.66

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Solution

The fourth proportional to 1,031,238,912.82, 1,423,144,074.39 and 579,196,540.66 is: 799,310,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,238,912.82 : 1,423,144,074.39 = 579,196,540.66 : x
  2. Step 2: Convert to fraction form
    1,031,238,912.82/1,423,144,074.39 = 579,196,540.66/x
  3. Step 3: Cross multiply
    1,031,238,912.82x = 1,423,144,074.39 × 579,196,540.66
  4. Step 4: Simplify right side
    1,031,238,912.82x = 824,280,124,743,907,968
  5. Step 5: Solve for x
    x = 824,280,124,743,907,968/1,031,238,912.82
  6. Step 6: Final answer
    x = 799,310,532.70

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Double scale
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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.