Home / 1,399,561,100,195.60-2,099,341,655,330.40-393,405,876,482.31

Finding the Fourth Proportional to 1,399,561,100,195.60, 2,099,341,655,330.40 and 393,405,876,482.31

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Solution

The fourth proportional to 1,399,561,100,195.60, 2,099,341,655,330.40 and 393,405,876,482.31 is: 590,108,816,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,561,100,195.60 : 2,099,341,655,330.40 = 393,405,876,482.31 : x
  2. Step 2: Convert to fraction form
    1,399,561,100,195.60/2,099,341,655,330.40 = 393,405,876,482.31/x
  3. Step 3: Cross multiply
    1,399,561,100,195.60x = 2,099,341,655,330.40 × 393,405,876,482.31
  4. Step 4: Simplify right side
    1,399,561,100,195.60x = 825,893,343,951,079,446,937,600
  5. Step 5: Solve for x
    x = 825,893,343,951,079,446,937,600/1,399,561,100,195.60
  6. Step 6: Final answer
    x = 590,108,816,139.33

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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.