Home / 644,434,692.80-966,652,039.20-184,387,870.40

Finding the Fourth Proportional to 644,434,692.80, 966,652,039.20 and 184,387,870.40

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Solution

The fourth proportional to 644,434,692.80, 966,652,039.20 and 184,387,870.40 is: 276,581,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,434,692.80 : 966,652,039.20 = 184,387,870.40 : x
  2. Step 2: Convert to fraction form
    644,434,692.80/966,652,039.20 = 184,387,870.40/x
  3. Step 3: Cross multiply
    644,434,692.80x = 966,652,039.20 × 184,387,870.40
  4. Step 4: Simplify right side
    644,434,692.80x = 178,238,910,925,905,344
  5. Step 5: Solve for x
    x = 178,238,910,925,905,344/644,434,692.80
  6. Step 6: Final answer
    x = 276,581,805.60

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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.