Home / 840,105,015.61-1,260,157,523.42-226,688,257.21

Finding the Fourth Proportional to 840,105,015.61, 1,260,157,523.42 and 226,688,257.21

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Solution

The fourth proportional to 840,105,015.61, 1,260,157,523.42 and 226,688,257.21 is: 340,032,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,105,015.61 : 1,260,157,523.42 = 226,688,257.21 : x
  2. Step 2: Convert to fraction form
    840,105,015.61/1,260,157,523.42 = 226,688,257.21/x
  3. Step 3: Cross multiply
    840,105,015.61x = 1,260,157,523.42 × 226,688,257.21
  4. Step 4: Simplify right side
    840,105,015.61x = 285,662,912,794,149,600
  5. Step 5: Solve for x
    x = 285,662,912,794,149,600/840,105,015.61
  6. Step 6: Final answer
    x = 340,032,385.82

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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.