Home / 1,415,760,758.52-2,123,647,855.10-433,185,730.60

Finding the Fourth Proportional to 1,415,760,758.52, 2,123,647,855.10 and 433,185,730.60

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Solution

The fourth proportional to 1,415,760,758.52, 2,123,647,855.10 and 433,185,730.60 is: 649,780,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,760,758.52 : 2,123,647,855.10 = 433,185,730.60 : x
  2. Step 2: Convert to fraction form
    1,415,760,758.52/2,123,647,855.10 = 433,185,730.60/x
  3. Step 3: Cross multiply
    1,415,760,758.52x = 2,123,647,855.10 × 433,185,730.60
  4. Step 4: Simplify right side
    1,415,760,758.52x = 919,933,947,648,616,448
  5. Step 5: Solve for x
    x = 919,933,947,648,616,448/1,415,760,758.52
  6. Step 6: Final answer
    x = 649,780,651.22

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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.