Home / 920,123,661,811.05-1,380,185,492,716.60-442,347,029,264.02

Finding the Fourth Proportional to 920,123,661,811.05, 1,380,185,492,716.60 and 442,347,029,264.02

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Solution

The fourth proportional to 920,123,661,811.05, 1,380,185,492,716.60 and 442,347,029,264.02 is: 663,520,543,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,123,661,811.05 : 1,380,185,492,716.60 = 442,347,029,264.02 : x
  2. Step 2: Convert to fraction form
    920,123,661,811.05/1,380,185,492,716.60 = 442,347,029,264.02/x
  3. Step 3: Cross multiply
    920,123,661,811.05x = 1,380,185,492,716.60 × 442,347,029,264.02
  4. Step 4: Simplify right side
    920,123,661,811.05x = 610,520,952,536,485,731,500,032
  5. Step 5: Solve for x
    x = 610,520,952,536,485,731,500,032/920,123,661,811.05
  6. Step 6: Final answer
    x = 663,520,543,896.04

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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.