Home / 289,747,444.20-434,621,166.30-269,340,109.80

Finding the Fourth Proportional to 289,747,444.20, 434,621,166.30 and 269,340,109.80

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Solution

The fourth proportional to 289,747,444.20, 434,621,166.30 and 269,340,109.80 is: 404,010,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,747,444.20 : 434,621,166.30 = 269,340,109.80 : x
  2. Step 2: Convert to fraction form
    289,747,444.20/434,621,166.30 = 269,340,109.80/x
  3. Step 3: Cross multiply
    289,747,444.20x = 434,621,166.30 × 269,340,109.80
  4. Step 4: Simplify right side
    289,747,444.20x = 117,060,912,652,646,064
  5. Step 5: Solve for x
    x = 117,060,912,652,646,064/289,747,444.20
  6. Step 6: Final answer
    x = 404,010,164.70

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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.