Home / 764,212,692.73-1,146,097,373.88-297,770,076.31

Finding the Fourth Proportional to 764,212,692.73, 1,146,097,373.88 and 297,770,076.31

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Solution

The fourth proportional to 764,212,692.73, 1,146,097,373.88 and 297,770,076.31 is: 446,568,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,212,692.73 : 1,146,097,373.88 = 297,770,076.31 : x
  2. Step 2: Convert to fraction form
    764,212,692.73/1,146,097,373.88 = 297,770,076.31/x
  3. Step 3: Cross multiply
    764,212,692.73x = 1,146,097,373.88 × 297,770,076.31
  4. Step 4: Simplify right side
    764,212,692.73x = 341,273,502,478,938,240
  5. Step 5: Solve for x
    x = 341,273,502,478,938,240/764,212,692.73
  6. Step 6: Final answer
    x = 446,568,744.18

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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.