Home / 13,313,533,750.14-18,372,686,480.34-7,209,933,688.38

Finding the Fourth Proportional to 13,313,533,750.14, 18,372,686,480.34 and 7,209,933,688.38

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Solution

The fourth proportional to 13,313,533,750.14, 18,372,686,480.34 and 7,209,933,688.38 is: 9,949,713,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,533,750.14 : 18,372,686,480.34 = 7,209,933,688.38 : x
  2. Step 2: Convert to fraction form
    13,313,533,750.14/18,372,686,480.34 = 7,209,933,688.38/x
  3. Step 3: Cross multiply
    13,313,533,750.14x = 18,372,686,480.34 × 7,209,933,688.38
  4. Step 4: Simplify right side
    13,313,533,750.14x = 132,465,851,200,647,135,232
  5. Step 5: Solve for x
    x = 132,465,851,200,647,135,232/13,313,533,750.14
  6. Step 6: Final answer
    x = 9,949,713,854.09

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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.