Home / 920,123,661,815.05-1,380,185,492,722.60-442,347,029,268.02

Finding the Fourth Proportional to 920,123,661,815.05, 1,380,185,492,722.60 and 442,347,029,268.02

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Solution

The fourth proportional to 920,123,661,815.05, 1,380,185,492,722.60 and 442,347,029,268.02 is: 663,520,543,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,123,661,815.05 : 1,380,185,492,722.60 = 442,347,029,268.02 : x
  2. Step 2: Convert to fraction form
    920,123,661,815.05/1,380,185,492,722.60 = 442,347,029,268.02/x
  3. Step 3: Cross multiply
    920,123,661,815.05x = 1,380,185,492,722.60 × 442,347,029,268.02
  4. Step 4: Simplify right side
    920,123,661,815.05x = 610,520,952,544,660,664,877,056
  5. Step 5: Solve for x
    x = 610,520,952,544,660,664,877,056/920,123,661,815.05
  6. Step 6: Final answer
    x = 663,520,543,902.04

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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.