Home / 1,191,139,601.17-1,786,644,742.86-362,028,600.76

Finding the Fourth Proportional to 1,191,139,601.17, 1,786,644,742.86 and 362,028,600.76

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Solution

The fourth proportional to 1,191,139,601.17, 1,786,644,742.86 and 362,028,600.76 is: 543,023,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,139,601.17 : 1,786,644,742.86 = 362,028,600.76 : x
  2. Step 2: Convert to fraction form
    1,191,139,601.17/1,786,644,742.86 = 362,028,600.76/x
  3. Step 3: Cross multiply
    1,191,139,601.17x = 1,786,644,742.86 × 362,028,600.76
  4. Step 4: Simplify right side
    1,191,139,601.17x = 646,816,496,312,815,744
  5. Step 5: Solve for x
    x = 646,816,496,312,815,744/1,191,139,601.17
  6. Step 6: Final answer
    x = 543,023,249.06

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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.