Home / 524,438,540.26-723,725,330.25-289,489,353.46

Finding the Fourth Proportional to 524,438,540.26, 723,725,330.25 and 289,489,353.46

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Solution

The fourth proportional to 524,438,540.26, 723,725,330.25 and 289,489,353.46 is: 399,495,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,438,540.26 : 723,725,330.25 = 289,489,353.46 : x
  2. Step 2: Convert to fraction form
    524,438,540.26/723,725,330.25 = 289,489,353.46/x
  3. Step 3: Cross multiply
    524,438,540.26x = 723,725,330.25 × 289,489,353.46
  4. Step 4: Simplify right side
    524,438,540.26x = 209,510,777,936,697,472
  5. Step 5: Solve for x
    x = 209,510,777,936,697,472/524,438,540.26
  6. Step 6: Final answer
    x = 399,495,387.64

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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.