Home / 1,113,305,767.11-1,536,319,865.79-618,300,362.07

Finding the Fourth Proportional to 1,113,305,767.11, 1,536,319,865.79 and 618,300,362.07

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Solution

The fourth proportional to 1,113,305,767.11, 1,536,319,865.79 and 618,300,362.07 is: 853,231,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,305,767.11 : 1,536,319,865.79 = 618,300,362.07 : x
  2. Step 2: Convert to fraction form
    1,113,305,767.11/1,536,319,865.79 = 618,300,362.07/x
  3. Step 3: Cross multiply
    1,113,305,767.11x = 1,536,319,865.79 × 618,300,362.07
  4. Step 4: Simplify right side
    1,113,305,767.11x = 949,907,129,273,290,880
  5. Step 5: Solve for x
    x = 949,907,129,273,290,880/1,113,305,767.11
  6. Step 6: Final answer
    x = 853,231,122.42

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Double scale
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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.