Home / 2,109,143,132.64-3,161,500,062.48-709,641,568.80

Finding the Fourth Proportional to 2,109,143,132.64, 3,161,500,062.48 and 709,641,568.80

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Solution

The fourth proportional to 2,109,143,132.64, 3,161,500,062.48 and 709,641,568.80 is: 1,063,717,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,143,132.64 : 3,161,500,062.48 = 709,641,568.80 : x
  2. Step 2: Convert to fraction form
    2,109,143,132.64/3,161,500,062.48 = 709,641,568.80/x
  3. Step 3: Cross multiply
    2,109,143,132.64x = 3,161,500,062.48 × 709,641,568.80
  4. Step 4: Simplify right side
    2,109,143,132.64x = 2,243,531,864,099,604,992
  5. Step 5: Solve for x
    x = 2,243,531,864,099,604,992/2,109,143,132.64
  6. Step 6: Final answer
    x = 1,063,717,217.38

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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.