Home / 920,123,661,816.05-1,380,185,492,724.10-442,347,029,269.02

Finding the Fourth Proportional to 920,123,661,816.05, 1,380,185,492,724.10 and 442,347,029,269.02

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Solution

The fourth proportional to 920,123,661,816.05, 1,380,185,492,724.10 and 442,347,029,269.02 is: 663,520,543,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,123,661,816.05 : 1,380,185,492,724.10 = 442,347,029,269.02 : x
  2. Step 2: Convert to fraction form
    920,123,661,816.05/1,380,185,492,724.10 = 442,347,029,269.02/x
  3. Step 3: Cross multiply
    920,123,661,816.05x = 1,380,185,492,724.10 × 442,347,029,269.02
  4. Step 4: Simplify right side
    920,123,661,816.05x = 610,520,952,546,704,264,003,584
  5. Step 5: Solve for x
    x = 610,520,952,546,704,264,003,584/920,123,661,816.05
  6. Step 6: Final answer
    x = 663,520,543,903.54

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Double scale
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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.