Home / 1,215,027,048.77-1,822,527,287.08-294,903,387.39

Finding the Fourth Proportional to 1,215,027,048.77, 1,822,527,287.08 and 294,903,387.39

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Solution

The fourth proportional to 1,215,027,048.77, 1,822,527,287.08 and 294,903,387.39 is: 442,351,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,027,048.77 : 1,822,527,287.08 = 294,903,387.39 : x
  2. Step 2: Convert to fraction form
    1,215,027,048.77/1,822,527,287.08 = 294,903,387.39/x
  3. Step 3: Cross multiply
    1,215,027,048.77x = 1,822,527,287.08 × 294,903,387.39
  4. Step 4: Simplify right side
    1,215,027,048.77x = 537,469,470,576,696,256
  5. Step 5: Solve for x
    x = 537,469,470,576,696,256/1,215,027,048.77
  6. Step 6: Final answer
    x = 442,351,856.38

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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.