Home / 7,618,818,762.39-11,431,972,145.59-3,424,734,884.39

Finding the Fourth Proportional to 7,618,818,762.39, 11,431,972,145.59 and 3,424,734,884.39

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Solution

The fourth proportional to 7,618,818,762.39, 11,431,972,145.59 and 3,424,734,884.39 is: 5,138,785,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,818,762.39 : 11,431,972,145.59 = 3,424,734,884.39 : x
  2. Step 2: Convert to fraction form
    7,618,818,762.39/11,431,972,145.59 = 3,424,734,884.39/x
  3. Step 3: Cross multiply
    7,618,818,762.39x = 11,431,972,145.59 × 3,424,734,884.39
  4. Step 4: Simplify right side
    7,618,818,762.39x = 39,151,473,804,309,438,464
  5. Step 5: Solve for x
    x = 39,151,473,804,309,438,464/7,618,818,762.39
  6. Step 6: Final answer
    x = 5,138,785,292.75

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1.5x scale

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.