Home / 427,139,591.86-589,475,523.52-238,956,659.76

Finding the Fourth Proportional to 427,139,591.86, 589,475,523.52 and 238,956,659.76

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Solution

The fourth proportional to 427,139,591.86, 589,475,523.52 and 238,956,659.76 is: 329,772,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,591.86 : 589,475,523.52 = 238,956,659.76 : x
  2. Step 2: Convert to fraction form
    427,139,591.86/589,475,523.52 = 238,956,659.76/x
  3. Step 3: Cross multiply
    427,139,591.86x = 589,475,523.52 × 238,956,659.76
  4. Step 4: Simplify right side
    427,139,591.86x = 140,859,102,110,616,512
  5. Step 5: Solve for x
    x = 140,859,102,110,616,512/427,139,591.86
  6. Step 6: Final answer
    x = 329,772,994.11

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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.