Home / 467,714,865.93-644,781,124.17-318,844,944.87

Finding the Fourth Proportional to 467,714,865.93, 644,781,124.17 and 318,844,944.87

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Solution

The fourth proportional to 467,714,865.93, 644,781,124.17 and 318,844,944.87 is: 439,552,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,714,865.93 : 644,781,124.17 = 318,844,944.87 : x
  2. Step 2: Convert to fraction form
    467,714,865.93/644,781,124.17 = 318,844,944.87/x
  3. Step 3: Cross multiply
    467,714,865.93x = 644,781,124.17 × 318,844,944.87
  4. Step 4: Simplify right side
    467,714,865.93x = 205,585,201,989,200,256
  5. Step 5: Solve for x
    x = 205,585,201,989,200,256/467,714,865.93
  6. Step 6: Final answer
    x = 439,552,421.71

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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.