Home / 545,758,889.10-818,638,333.65-200,641,103.70

Finding the Fourth Proportional to 545,758,889.10, 818,638,333.65 and 200,641,103.70

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Solution

The fourth proportional to 545,758,889.10, 818,638,333.65 and 200,641,103.70 is: 300,961,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,758,889.10 : 818,638,333.65 = 200,641,103.70 : x
  2. Step 2: Convert to fraction form
    545,758,889.10/818,638,333.65 = 200,641,103.70/x
  3. Step 3: Cross multiply
    545,758,889.10x = 818,638,333.65 × 200,641,103.70
  4. Step 4: Simplify right side
    545,758,889.10x = 164,252,498,794,664,832
  5. Step 5: Solve for x
    x = 164,252,498,794,664,832/545,758,889.10
  6. Step 6: Final answer
    x = 300,961,655.55

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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.