Home / 540,836,865.44-811,254,036.74-355,262,198.98

Finding the Fourth Proportional to 540,836,865.44, 811,254,036.74 and 355,262,198.98

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Solution

The fourth proportional to 540,836,865.44, 811,254,036.74 and 355,262,198.98 is: 532,892,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,836,865.44 : 811,254,036.74 = 355,262,198.98 : x
  2. Step 2: Convert to fraction form
    540,836,865.44/811,254,036.74 = 355,262,198.98/x
  3. Step 3: Cross multiply
    540,836,865.44x = 811,254,036.74 × 355,262,198.98
  4. Step 4: Simplify right side
    540,836,865.44x = 288,207,893,017,821,568
  5. Step 5: Solve for x
    x = 288,207,893,017,821,568/540,836,865.44
  6. Step 6: Final answer
    x = 532,892,469.86

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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.