Home / 388,723,749.64-583,489,076.75-225,280,841.56

Finding the Fourth Proportional to 388,723,749.64, 583,489,076.75 and 225,280,841.56

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Solution

The fourth proportional to 388,723,749.64, 583,489,076.75 and 225,280,841.56 is: 338,155,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,723,749.64 : 583,489,076.75 = 225,280,841.56 : x
  2. Step 2: Convert to fraction form
    388,723,749.64/583,489,076.75 = 225,280,841.56/x
  3. Step 3: Cross multiply
    388,723,749.64x = 583,489,076.75 × 225,280,841.56
  4. Step 4: Simplify right side
    388,723,749.64x = 131,448,910,249,564,848
  5. Step 5: Solve for x
    x = 131,448,910,249,564,848/388,723,749.64
  6. Step 6: Final answer
    x = 338,155,078.95

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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.