Home / 487,586,903.04-672,836,801.76-267,584,500.80

Finding the Fourth Proportional to 487,586,903.04, 672,836,801.76 and 267,584,500.80

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Solution

The fourth proportional to 487,586,903.04, 672,836,801.76 and 267,584,500.80 is: 369,248,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,586,903.04 : 672,836,801.76 = 267,584,500.80 : x
  2. Step 2: Convert to fraction form
    487,586,903.04/672,836,801.76 = 267,584,500.80/x
  3. Step 3: Cross multiply
    487,586,903.04x = 672,836,801.76 × 267,584,500.80
  4. Step 4: Simplify right side
    487,586,903.04x = 180,040,699,718,818,176
  5. Step 5: Solve for x
    x = 180,040,699,718,818,176/487,586,903.04
  6. Step 6: Final answer
    x = 369,248,432.63

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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.