Home / 1,781,409,194.10-2,673,389,249.55-747,012,431.70

Finding the Fourth Proportional to 1,781,409,194.10, 2,673,389,249.55 and 747,012,431.70

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Solution

The fourth proportional to 1,781,409,194.10, 2,673,389,249.55 and 747,012,431.70 is: 1,121,053,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,409,194.10 : 2,673,389,249.55 = 747,012,431.70 : x
  2. Step 2: Convert to fraction form
    1,781,409,194.10/2,673,389,249.55 = 747,012,431.70/x
  3. Step 3: Cross multiply
    1,781,409,194.10x = 2,673,389,249.55 × 747,012,431.70
  4. Step 4: Simplify right side
    1,781,409,194.10x = 1,997,055,004,186,983,936
  5. Step 5: Solve for x
    x = 1,997,055,004,186,983,936/1,781,409,194.10
  6. Step 6: Final answer
    x = 1,121,053,495.63

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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.