Home / 455,543,807.63-683,432,234.80-132,427,679.63

Finding the Fourth Proportional to 455,543,807.63, 683,432,234.80 and 132,427,679.63

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Solution

The fourth proportional to 455,543,807.63, 683,432,234.80 and 132,427,679.63 is: 198,675,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,543,807.63 : 683,432,234.80 = 132,427,679.63 : x
  2. Step 2: Convert to fraction form
    455,543,807.63/683,432,234.80 = 132,427,679.63/x
  3. Step 3: Cross multiply
    455,543,807.63x = 683,432,234.80 × 132,427,679.63
  4. Step 4: Simplify right side
    455,543,807.63x = 90,505,345,035,161,104
  5. Step 5: Solve for x
    x = 90,505,345,035,161,104/455,543,807.63
  6. Step 6: Final answer
    x = 198,675,393.06

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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.