Home / 469,107,853.47-647,360,227.44-260,259,512.13

Finding the Fourth Proportional to 469,107,853.47, 647,360,227.44 and 260,259,512.13

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Solution

The fourth proportional to 469,107,853.47, 647,360,227.44 and 260,259,512.13 is: 359,153,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,107,853.47 : 647,360,227.44 = 260,259,512.13 : x
  2. Step 2: Convert to fraction form
    469,107,853.47/647,360,227.44 = 260,259,512.13/x
  3. Step 3: Cross multiply
    469,107,853.47x = 647,360,227.44 × 260,259,512.13
  4. Step 4: Simplify right side
    469,107,853.47x = 168,481,656,965,900,256
  5. Step 5: Solve for x
    x = 168,481,656,965,900,256/469,107,853.47
  6. Step 6: Final answer
    x = 359,153,349.75

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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.