Home / 18,589,963,854.75-27,884,928,744.65-5,827,129,820.07

Finding the Fourth Proportional to 18,589,963,854.75, 27,884,928,744.65 and 5,827,129,820.07

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Solution

The fourth proportional to 18,589,963,854.75, 27,884,928,744.65 and 5,827,129,820.07 is: 8,740,689,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,963,854.75 : 27,884,928,744.65 = 5,827,129,820.07 : x
  2. Step 2: Convert to fraction form
    18,589,963,854.75/27,884,928,744.65 = 5,827,129,820.07/x
  3. Step 3: Cross multiply
    18,589,963,854.75x = 27,884,928,744.65 × 5,827,129,820.07
  4. Step 4: Simplify right side
    18,589,963,854.75x = 162,489,099,818,447,994,880
  5. Step 5: Solve for x
    x = 162,489,099,818,447,994,880/18,589,963,854.75
  6. Step 6: Final answer
    x = 8,740,689,389.61

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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.