Home / 775,901,648.43-1,070,729,097.35-423,480,165.39

Finding the Fourth Proportional to 775,901,648.43, 1,070,729,097.35 and 423,480,165.39

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Solution

The fourth proportional to 775,901,648.43, 1,070,729,097.35 and 423,480,165.39 is: 584,394,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,901,648.43 : 1,070,729,097.35 = 423,480,165.39 : x
  2. Step 2: Convert to fraction form
    775,901,648.43/1,070,729,097.35 = 423,480,165.39/x
  3. Step 3: Cross multiply
    775,901,648.43x = 1,070,729,097.35 × 423,480,165.39
  4. Step 4: Simplify right side
    775,901,648.43x = 453,432,535,231,545,984
  5. Step 5: Solve for x
    x = 453,432,535,231,545,984/775,901,648.43
  6. Step 6: Final answer
    x = 584,394,344.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.