Home / 298,278,577.20-447,390,259.83-140,675,454.24

Finding the Fourth Proportional to 298,278,577.20, 447,390,259.83 and 140,675,454.24

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Solution

The fourth proportional to 298,278,577.20, 447,390,259.83 and 140,675,454.24 is: 211,000,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278,577.20 : 447,390,259.83 = 140,675,454.24 : x
  2. Step 2: Convert to fraction form
    298,278,577.20/447,390,259.83 = 140,675,454.24/x
  3. Step 3: Cross multiply
    298,278,577.20x = 447,390,259.83 × 140,675,454.24
  4. Step 4: Simplify right side
    298,278,577.20x = 62,936,828,024,136,880
  5. Step 5: Solve for x
    x = 62,936,828,024,136,880/298,278,577.20
  6. Step 6: Final answer
    x = 211,000,161.71

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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.