Home / 855,288,780.24-1,180,298,468.56-464,148,204.24

Finding the Fourth Proportional to 855,288,780.24, 1,180,298,468.56 and 464,148,204.24

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Solution

The fourth proportional to 855,288,780.24, 1,180,298,468.56 and 464,148,204.24 is: 640,524,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,288,780.24 : 1,180,298,468.56 = 464,148,204.24 : x
  2. Step 2: Convert to fraction form
    855,288,780.24/1,180,298,468.56 = 464,148,204.24/x
  3. Step 3: Cross multiply
    855,288,780.24x = 1,180,298,468.56 × 464,148,204.24
  4. Step 4: Simplify right side
    855,288,780.24x = 547,833,414,649,346,112
  5. Step 5: Solve for x
    x = 547,833,414,649,346,112/855,288,780.24
  6. Step 6: Final answer
    x = 640,524,495.71

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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.