Home / 809,664,034.20-1,214,496,051.30-401,517,346.20

Finding the Fourth Proportional to 809,664,034.20, 1,214,496,051.30 and 401,517,346.20

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Solution

The fourth proportional to 809,664,034.20, 1,214,496,051.30 and 401,517,346.20 is: 602,276,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,664,034.20 : 1,214,496,051.30 = 401,517,346.20 : x
  2. Step 2: Convert to fraction form
    809,664,034.20/1,214,496,051.30 = 401,517,346.20/x
  3. Step 3: Cross multiply
    809,664,034.20x = 1,214,496,051.30 × 401,517,346.20
  4. Step 4: Simplify right side
    809,664,034.20x = 487,641,231,488,355,008
  5. Step 5: Solve for x
    x = 487,641,231,488,355,008/809,664,034.20
  6. Step 6: Final answer
    x = 602,276,019.30

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Double scale
Find fourth proportional to 809,664,035.20, 1,214,496,052.80 and 401,517,347.20
Similar ratio
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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.