Home / 524,569,915.52-723,645,147.57-312,727,475

Finding the Fourth Proportional to 524,569,915.52, 723,645,147.57 and 312,727,475

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Solution

The fourth proportional to 524,569,915.52, 723,645,147.57 and 312,727,475 is: 431,408,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,569,915.52 : 723,645,147.57 = 312,727,475 : x
  2. Step 2: Convert to fraction form
    524,569,915.52/723,645,147.57 = 312,727,475/x
  3. Step 3: Cross multiply
    524,569,915.52x = 723,645,147.57 × 312,727,475
  4. Step 4: Simplify right side
    524,569,915.52x = 226,303,719,795,568,512
  5. Step 5: Solve for x
    x = 226,303,719,795,568,512/524,569,915.52
  6. Step 6: Final answer
    x = 431,408,117.58

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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.