Home / 639,528,504.90-959,384,266.10-196,908,635.24

Finding the Fourth Proportional to 639,528,504.90, 959,384,266.10 and 196,908,635.24

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Solution

The fourth proportional to 639,528,504.90, 959,384,266.10 and 196,908,635.24 is: 295,391,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528,504.90 : 959,384,266.10 = 196,908,635.24 : x
  2. Step 2: Convert to fraction form
    639,528,504.90/959,384,266.10 = 196,908,635.24/x
  3. Step 3: Cross multiply
    639,528,504.90x = 959,384,266.10 × 196,908,635.24
  4. Step 4: Simplify right side
    639,528,504.90x = 188,911,046,508,480,000
  5. Step 5: Solve for x
    x = 188,911,046,508,480,000/639,528,504.90
  6. Step 6: Final answer
    x = 295,391,128.09

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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.