Home / 855,288,778.24-1,180,298,465.76-464,148,202.24

Finding the Fourth Proportional to 855,288,778.24, 1,180,298,465.76 and 464,148,202.24

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Solution

The fourth proportional to 855,288,778.24, 1,180,298,465.76 and 464,148,202.24 is: 640,524,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,288,778.24 : 1,180,298,465.76 = 464,148,202.24 : x
  2. Step 2: Convert to fraction form
    855,288,778.24/1,180,298,465.76 = 464,148,202.24/x
  3. Step 3: Cross multiply
    855,288,778.24x = 1,180,298,465.76 × 464,148,202.24
  4. Step 4: Simplify right side
    855,288,778.24x = 547,833,410,989,134,208
  5. Step 5: Solve for x
    x = 547,833,410,989,134,208/855,288,778.24
  6. Step 6: Final answer
    x = 640,524,492.93

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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.