Home / 13,313,533,733.88-18,372,686,458.01-7,209,933,672.08

Finding the Fourth Proportional to 13,313,533,733.88, 18,372,686,458.01 and 7,209,933,672.08

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Solution

The fourth proportional to 13,313,533,733.88, 18,372,686,458.01 and 7,209,933,672.08 is: 9,949,713,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,533,733.88 : 18,372,686,458.01 = 7,209,933,672.08 : x
  2. Step 2: Convert to fraction form
    13,313,533,733.88/18,372,686,458.01 = 7,209,933,672.08/x
  3. Step 3: Cross multiply
    13,313,533,733.88x = 18,372,686,458.01 × 7,209,933,672.08
  4. Step 4: Simplify right side
    13,313,533,733.88x = 132,465,850,740,046,626,816
  5. Step 5: Solve for x
    x = 132,465,850,740,046,626,816/13,313,533,733.88
  6. Step 6: Final answer
    x = 9,949,713,831.64

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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.