Home / 1,399,561,100,195.40-2,099,341,655,330.20-393,405,876,482.11

Finding the Fourth Proportional to 1,399,561,100,195.40, 2,099,341,655,330.20 and 393,405,876,482.11

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Solution

The fourth proportional to 1,399,561,100,195.40, 2,099,341,655,330.20 and 393,405,876,482.11 is: 590,108,816,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,561,100,195.40 : 2,099,341,655,330.20 = 393,405,876,482.11 : x
  2. Step 2: Convert to fraction form
    1,399,561,100,195.40/2,099,341,655,330.20 = 393,405,876,482.11/x
  3. Step 3: Cross multiply
    1,399,561,100,195.40x = 2,099,341,655,330.20 × 393,405,876,482.11
  4. Step 4: Simplify right side
    1,399,561,100,195.40x = 825,893,343,950,580,962,295,808
  5. Step 5: Solve for x
    x = 825,893,343,950,580,962,295,808/1,399,561,100,195.40
  6. Step 6: Final answer
    x = 590,108,816,139.06

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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.