Home / 14,752,350,808.56-20,358,305,032.08-7,978,169,240.64

Finding the Fourth Proportional to 14,752,350,808.56, 20,358,305,032.08 and 7,978,169,240.64

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Solution

The fourth proportional to 14,752,350,808.56, 20,358,305,032.08 and 7,978,169,240.64 is: 11,009,906,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752,350,808.56 : 20,358,305,032.08 = 7,978,169,240.64 : x
  2. Step 2: Convert to fraction form
    14,752,350,808.56/20,358,305,032.08 = 7,978,169,240.64/x
  3. Step 3: Cross multiply
    14,752,350,808.56x = 20,358,305,032.08 × 7,978,169,240.64
  4. Step 4: Simplify right side
    14,752,350,808.56x = 162,422,002,998,507,208,704
  5. Step 5: Solve for x
    x = 162,422,002,998,507,208,704/14,752,350,808.56
  6. Step 6: Final answer
    x = 11,009,906,496.00

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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.