Home / 776,491,743.79-1,164,901,218.45-251,819,934.84

Finding the Fourth Proportional to 776,491,743.79, 1,164,901,218.45 and 251,819,934.84

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Solution

The fourth proportional to 776,491,743.79, 1,164,901,218.45 and 251,819,934.84 is: 377,782,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,491,743.79 : 1,164,901,218.45 = 251,819,934.84 : x
  2. Step 2: Convert to fraction form
    776,491,743.79/1,164,901,218.45 = 251,819,934.84/x
  3. Step 3: Cross multiply
    776,491,743.79x = 1,164,901,218.45 × 251,819,934.84
  4. Step 4: Simplify right side
    776,491,743.79x = 293,345,348,924,158,656
  5. Step 5: Solve for x
    x = 293,345,348,924,158,656/776,491,743.79
  6. Step 6: Final answer
    x = 377,782,959.41

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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.