Home / 1,206,410,177.76-1,809,633,317.70-459,467,201.40

Finding the Fourth Proportional to 1,206,410,177.76, 1,809,633,317.70 and 459,467,201.40

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Solution

The fourth proportional to 1,206,410,177.76, 1,809,633,317.70 and 459,467,201.40 is: 689,207,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,410,177.76 : 1,809,633,317.70 = 459,467,201.40 : x
  2. Step 2: Convert to fraction form
    1,206,410,177.76/1,809,633,317.70 = 459,467,201.40/x
  3. Step 3: Cross multiply
    1,206,410,177.76x = 1,809,633,317.70 × 459,467,201.40
  4. Step 4: Simplify right side
    1,206,410,177.76x = 831,467,156,043,816,064
  5. Step 5: Solve for x
    x = 831,467,156,043,816,064/1,206,410,177.76
  6. Step 6: Final answer
    x = 689,207,676.93

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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.