Home / 510,508,097.54-765,955,138.12-199,837,743.66

Finding the Fourth Proportional to 510,508,097.54, 765,955,138.12 and 199,837,743.66

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Solution

The fourth proportional to 510,508,097.54, 765,955,138.12 and 199,837,743.66 is: 299,832,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,508,097.54 : 765,955,138.12 = 199,837,743.66 : x
  2. Step 2: Convert to fraction form
    510,508,097.54/765,955,138.12 = 199,837,743.66/x
  3. Step 3: Cross multiply
    510,508,097.54x = 765,955,138.12 × 199,837,743.66
  4. Step 4: Simplify right side
    510,508,097.54x = 153,066,746,546,684,448
  5. Step 5: Solve for x
    x = 153,066,746,546,684,448/510,508,097.54
  6. Step 6: Final answer
    x = 299,832,161.89

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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.