Home / 644,181,981.80-966,200,611.28-177,909,692.18

Finding the Fourth Proportional to 644,181,981.80, 966,200,611.28 and 177,909,692.18

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Solution

The fourth proportional to 644,181,981.80, 966,200,611.28 and 177,909,692.18 is: 266,844,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,181,981.80 : 966,200,611.28 = 177,909,692.18 : x
  2. Step 2: Convert to fraction form
    644,181,981.80/966,200,611.28 = 177,909,692.18/x
  3. Step 3: Cross multiply
    644,181,981.80x = 966,200,611.28 × 177,909,692.18
  4. Step 4: Simplify right side
    644,181,981.80x = 171,896,453,331,232,096
  5. Step 5: Solve for x
    x = 171,896,453,331,232,096/644,181,981.80
  6. Step 6: Final answer
    x = 266,844,553.54

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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.