Home / 1,399,561,100,196.20-2,099,341,655,331.40-393,405,876,482.90

Finding the Fourth Proportional to 1,399,561,100,196.20, 2,099,341,655,331.40 and 393,405,876,482.90

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Solution

The fourth proportional to 1,399,561,100,196.20, 2,099,341,655,331.40 and 393,405,876,482.90 is: 590,108,816,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,561,100,196.20 : 2,099,341,655,331.40 = 393,405,876,482.90 : x
  2. Step 2: Convert to fraction form
    1,399,561,100,196.20/2,099,341,655,331.40 = 393,405,876,482.90/x
  3. Step 3: Cross multiply
    1,399,561,100,196.20x = 2,099,341,655,331.40 × 393,405,876,482.90
  4. Step 4: Simplify right side
    1,399,561,100,196.20x = 825,893,343,952,711,534,510,080
  5. Step 5: Solve for x
    x = 825,893,343,952,711,534,510,080/1,399,561,100,196.20
  6. Step 6: Final answer
    x = 590,108,816,140.24

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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.