Home / 289,384,246.90-434,076,370.35-267,213,315.70

Finding the Fourth Proportional to 289,384,246.90, 434,076,370.35 and 267,213,315.70

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Solution

The fourth proportional to 289,384,246.90, 434,076,370.35 and 267,213,315.70 is: 400,819,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,384,246.90 : 434,076,370.35 = 267,213,315.70 : x
  2. Step 2: Convert to fraction form
    289,384,246.90/434,076,370.35 = 267,213,315.70/x
  3. Step 3: Cross multiply
    289,384,246.90x = 434,076,370.35 × 267,213,315.70
  4. Step 4: Simplify right side
    289,384,246.90x = 115,990,986,188,244,672
  5. Step 5: Solve for x
    x = 115,990,986,188,244,672/289,384,246.90
  6. Step 6: Final answer
    x = 400,819,973.55

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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.