Home / 840,105,013.49-1,260,157,520.22-226,688,255.09

Finding the Fourth Proportional to 840,105,013.49, 1,260,157,520.22 and 226,688,255.09

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Solution

The fourth proportional to 840,105,013.49, 1,260,157,520.22 and 226,688,255.09 is: 340,032,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,105,013.49 : 1,260,157,520.22 = 226,688,255.09 : x
  2. Step 2: Convert to fraction form
    840,105,013.49/1,260,157,520.22 = 226,688,255.09/x
  3. Step 3: Cross multiply
    840,105,013.49x = 1,260,157,520.22 × 226,688,255.09
  4. Step 4: Simplify right side
    840,105,013.49x = 285,662,909,390,912,416
  5. Step 5: Solve for x
    x = 285,662,909,390,912,416/840,105,013.49
  6. Step 6: Final answer
    x = 340,032,382.63

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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.