Home / 285,269,364.80-427,904,047.20-265,995,771.20

Finding the Fourth Proportional to 285,269,364.80, 427,904,047.20 and 265,995,771.20

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Solution

The fourth proportional to 285,269,364.80, 427,904,047.20 and 265,995,771.20 is: 398,993,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,269,364.80 : 427,904,047.20 = 265,995,771.20 : x
  2. Step 2: Convert to fraction form
    285,269,364.80/427,904,047.20 = 265,995,771.20/x
  3. Step 3: Cross multiply
    285,269,364.80x = 427,904,047.20 × 265,995,771.20
  4. Step 4: Simplify right side
    285,269,364.80x = 113,820,667,034,565,200
  5. Step 5: Solve for x
    x = 113,820,667,034,565,200/285,269,364.80
  6. Step 6: Final answer
    x = 398,993,656.80

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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.