Home / 380,280,420.20-524,833,321.56-223,639,956.92

Finding the Fourth Proportional to 380,280,420.20, 524,833,321.56 and 223,639,956.92

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Solution

The fourth proportional to 380,280,420.20, 524,833,321.56 and 223,639,956.92 is: 308,650,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,280,420.20 : 524,833,321.56 = 223,639,956.92 : x
  2. Step 2: Convert to fraction form
    380,280,420.20/524,833,321.56 = 223,639,956.92/x
  3. Step 3: Cross multiply
    380,280,420.20x = 524,833,321.56 × 223,639,956.92
  4. Step 4: Simplify right side
    380,280,420.20x = 117,373,701,423,858,896
  5. Step 5: Solve for x
    x = 117,373,701,423,858,896/380,280,420.20
  6. Step 6: Final answer
    x = 308,650,393.73

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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.