Home / 1,147,894,633.85-1,721,841,950.78-492,734,169.05

Finding the Fourth Proportional to 1,147,894,633.85, 1,721,841,950.78 and 492,734,169.05

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Solution

The fourth proportional to 1,147,894,633.85, 1,721,841,950.78 and 492,734,169.05 is: 739,101,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,894,633.85 : 1,721,841,950.78 = 492,734,169.05 : x
  2. Step 2: Convert to fraction form
    1,147,894,633.85/1,721,841,950.78 = 492,734,169.05/x
  3. Step 3: Cross multiply
    1,147,894,633.85x = 1,721,841,950.78 × 492,734,169.05
  4. Step 4: Simplify right side
    1,147,894,633.85x = 848,410,362,850,550,656
  5. Step 5: Solve for x
    x = 848,410,362,850,550,656/1,147,894,633.85
  6. Step 6: Final answer
    x = 739,101,253.58

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Double scale
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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.