Home / 279,364,376,285.26-419,046,563,954.29-67,128,508,783.18

Finding the Fourth Proportional to 279,364,376,285.26, 419,046,563,954.29 and 67,128,508,783.18

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Solution

The fourth proportional to 279,364,376,285.26, 419,046,563,954.29 and 67,128,508,783.18 is: 100,692,763,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,364,376,285.26 : 419,046,563,954.29 = 67,128,508,783.18 : x
  2. Step 2: Convert to fraction form
    279,364,376,285.26/419,046,563,954.29 = 67,128,508,783.18/x
  3. Step 3: Cross multiply
    279,364,376,285.26x = 419,046,563,954.29 × 67,128,508,783.18
  4. Step 4: Simplify right side
    279,364,376,285.26x = 28,129,970,948,966,954,565,632
  5. Step 5: Solve for x
    x = 28,129,970,948,966,954,565,632/279,364,376,285.26
  6. Step 6: Final answer
    x = 100,692,763,060.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.