Home / 605,881,128.40-908,821,692.60-531,054,235.60

Finding the Fourth Proportional to 605,881,128.40, 908,821,692.60 and 531,054,235.60

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Solution

The fourth proportional to 605,881,128.40, 908,821,692.60 and 531,054,235.60 is: 796,581,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,881,128.40 : 908,821,692.60 = 531,054,235.60 : x
  2. Step 2: Convert to fraction form
    605,881,128.40/908,821,692.60 = 531,054,235.60/x
  3. Step 3: Cross multiply
    605,881,128.40x = 908,821,692.60 × 531,054,235.60
  4. Step 4: Simplify right side
    605,881,128.40x = 482,633,609,260,391,232
  5. Step 5: Solve for x
    x = 482,633,609,260,391,232/605,881,128.40
  6. Step 6: Final answer
    x = 796,581,353.40

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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.