Home / 18,589,963,845-27,884,928,729.96-5,827,129,810.32

Finding the Fourth Proportional to 18,589,963,845, 27,884,928,729.96 and 5,827,129,810.32

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Solution

The fourth proportional to 18,589,963,845, 27,884,928,729.96 and 5,827,129,810.32 is: 8,740,689,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,963,845 : 27,884,928,729.96 = 5,827,129,810.32 : x
  2. Step 2: Convert to fraction form
    18,589,963,845/27,884,928,729.96 = 5,827,129,810.32/x
  3. Step 3: Cross multiply
    18,589,963,845x = 27,884,928,729.96 × 5,827,129,810.32
  4. Step 4: Simplify right side
    18,589,963,845x = 162,489,099,460,998,529,024
  5. Step 5: Solve for x
    x = 162,489,099,460,998,529,024/18,589,963,845
  6. Step 6: Final answer
    x = 8,740,689,374.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.