Home / 639,528,536.97-959,384,314.08-196,908,667.20

Finding the Fourth Proportional to 639,528,536.97, 959,384,314.08 and 196,908,667.20

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Solution

The fourth proportional to 639,528,536.97, 959,384,314.08 and 196,908,667.20 is: 295,391,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528,536.97 : 959,384,314.08 = 196,908,667.20 : x
  2. Step 2: Convert to fraction form
    639,528,536.97/959,384,314.08 = 196,908,667.20/x
  3. Step 3: Cross multiply
    639,528,536.97x = 959,384,314.08 × 196,908,667.20
  4. Step 4: Simplify right side
    639,528,536.97x = 188,911,086,618,078,976
  5. Step 5: Solve for x
    x = 188,911,086,618,078,976/639,528,536.97
  6. Step 6: Final answer
    x = 295,391,176.00

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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.