Home / 13,055,454,632.79-18,014,321,651.54-7,338,977,629.83

Finding the Fourth Proportional to 13,055,454,632.79, 18,014,321,651.54 and 7,338,977,629.83

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Solution

The fourth proportional to 13,055,454,632.79, 18,014,321,651.54 and 7,338,977,629.83 is: 10,126,549,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,454,632.79 : 18,014,321,651.54 = 7,338,977,629.83 : x
  2. Step 2: Convert to fraction form
    13,055,454,632.79/18,014,321,651.54 = 7,338,977,629.83/x
  3. Step 3: Cross multiply
    13,055,454,632.79x = 18,014,321,651.54 × 7,338,977,629.83
  4. Step 4: Simplify right side
    13,055,454,632.79x = 132,206,703,617,177,583,616
  5. Step 5: Solve for x
    x = 132,206,703,617,177,583,616/13,055,454,632.79
  6. Step 6: Final answer
    x = 10,126,549,196.16

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Double scale
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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.