Home / 1,135,309,942.80-1,702,964,914.20-786,631,502.70

Finding the Fourth Proportional to 1,135,309,942.80, 1,702,964,914.20 and 786,631,502.70

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Solution

The fourth proportional to 1,135,309,942.80, 1,702,964,914.20 and 786,631,502.70 is: 1,179,947,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,309,942.80 : 1,702,964,914.20 = 786,631,502.70 : x
  2. Step 2: Convert to fraction form
    1,135,309,942.80/1,702,964,914.20 = 786,631,502.70/x
  3. Step 3: Cross multiply
    1,135,309,942.80x = 1,702,964,914.20 × 786,631,502.70
  4. Step 4: Simplify right side
    1,135,309,942.80x = 1,339,605,849,502,522,624
  5. Step 5: Solve for x
    x = 1,339,605,849,502,522,624/1,135,309,942.80
  6. Step 6: Final answer
    x = 1,179,947,254.05

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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.