Home / 2,198,829,359.80-3,298,244,039.70-1,326,415,814.20

Finding the Fourth Proportional to 2,198,829,359.80, 3,298,244,039.70 and 1,326,415,814.20

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Solution

The fourth proportional to 2,198,829,359.80, 3,298,244,039.70 and 1,326,415,814.20 is: 1,989,623,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,829,359.80 : 3,298,244,039.70 = 1,326,415,814.20 : x
  2. Step 2: Convert to fraction form
    2,198,829,359.80/3,298,244,039.70 = 1,326,415,814.20/x
  3. Step 3: Cross multiply
    2,198,829,359.80x = 3,298,244,039.70 × 1,326,415,814.20
  4. Step 4: Simplify right side
    2,198,829,359.80x = 4,374,843,053,348,972,544
  5. Step 5: Solve for x
    x = 4,374,843,053,348,972,544/2,198,829,359.80
  6. Step 6: Final answer
    x = 1,989,623,721.30

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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.