Home / 199,548,755.69-297,478,588.37-196,403,953.57

Finding the Fourth Proportional to 199,548,755.69, 297,478,588.37 and 196,403,953.57

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Solution

The fourth proportional to 199,548,755.69, 297,478,588.37 and 196,403,953.57 is: 292,790,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,548,755.69 : 297,478,588.37 = 196,403,953.57 : x
  2. Step 2: Convert to fraction form
    199,548,755.69/297,478,588.37 = 196,403,953.57/x
  3. Step 3: Cross multiply
    199,548,755.69x = 297,478,588.37 × 196,403,953.57
  4. Step 4: Simplify right side
    199,548,755.69x = 58,425,970,856,564,904
  5. Step 5: Solve for x
    x = 58,425,970,856,564,904/199,548,755.69
  6. Step 6: Final answer
    x = 292,790,454.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.