Home / 13,857,549,331.21-19,123,794,101.48-7,836,955,049.54

Finding the Fourth Proportional to 13,857,549,331.21, 19,123,794,101.48 and 7,836,955,049.54

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Solution

The fourth proportional to 13,857,549,331.21, 19,123,794,101.48 and 7,836,955,049.54 is: 10,815,210,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,549,331.21 : 19,123,794,101.48 = 7,836,955,049.54 : x
  2. Step 2: Convert to fraction form
    13,857,549,331.21/19,123,794,101.48 = 7,836,955,049.54/x
  3. Step 3: Cross multiply
    13,857,549,331.21x = 19,123,794,101.48 × 7,836,955,049.54
  4. Step 4: Simplify right side
    13,857,549,331.21x = 149,872,314,749,965,565,952
  5. Step 5: Solve for x
    x = 149,872,314,749,965,565,952/13,857,549,331.21
  6. Step 6: Final answer
    x = 10,815,210,624.03

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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.