Home / 540,349,939.42-810,542,851.32-185,820,743.91

Finding the Fourth Proportional to 540,349,939.42, 810,542,851.32 and 185,820,743.91

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Solution

The fourth proportional to 540,349,939.42, 810,542,851.32 and 185,820,743.91 is: 278,737,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,939.42 : 810,542,851.32 = 185,820,743.91 : x
  2. Step 2: Convert to fraction form
    540,349,939.42/810,542,851.32 = 185,820,743.91/x
  3. Step 3: Cross multiply
    540,349,939.42x = 810,542,851.32 × 185,820,743.91
  4. Step 4: Simplify right side
    540,349,939.42x = 150,615,675,606,951,296
  5. Step 5: Solve for x
    x = 150,615,675,606,951,296/540,349,939.42
  6. Step 6: Final answer
    x = 278,737,286.01

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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.