Home / 1,269,280,816.12-1,751,610,902.34-704,766,747.88

Finding the Fourth Proportional to 1,269,280,816.12, 1,751,610,902.34 and 704,766,747.88

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Solution

The fourth proportional to 1,269,280,816.12, 1,751,610,902.34 and 704,766,747.88 is: 972,579,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,280,816.12 : 1,751,610,902.34 = 704,766,747.88 : x
  2. Step 2: Convert to fraction form
    1,269,280,816.12/1,751,610,902.34 = 704,766,747.88/x
  3. Step 3: Cross multiply
    1,269,280,816.12x = 1,751,610,902.34 × 704,766,747.88
  4. Step 4: Simplify right side
    1,269,280,816.12x = 1,234,477,119,193,314,048
  5. Step 5: Solve for x
    x = 1,234,477,119,193,314,048/1,269,280,816.12
  6. Step 6: Final answer
    x = 972,579,986.65

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Double scale
Find fourth proportional to 1,269,280,817.12, 1,751,610,903.72 and 704,766,748.88
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.