Home / 469,923,649.06-648,456,569.85-271,697,874.34

Finding the Fourth Proportional to 469,923,649.06, 648,456,569.85 and 271,697,874.34

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Solution

The fourth proportional to 469,923,649.06, 648,456,569.85 and 271,697,874.34 is: 374,921,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,923,649.06 : 648,456,569.85 = 271,697,874.34 : x
  2. Step 2: Convert to fraction form
    469,923,649.06/648,456,569.85 = 271,697,874.34/x
  3. Step 3: Cross multiply
    469,923,649.06x = 648,456,569.85 × 271,697,874.34
  4. Step 4: Simplify right side
    469,923,649.06x = 176,184,271,630,052,736
  5. Step 5: Solve for x
    x = 176,184,271,630,052,736/469,923,649.06
  6. Step 6: Final answer
    x = 374,921,057.88

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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.