Home / 1,003,665,251.70-1,505,330,895.12-303,991,037.13

Finding the Fourth Proportional to 1,003,665,251.70, 1,505,330,895.12 and 303,991,037.13

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Solution

The fourth proportional to 1,003,665,251.70, 1,505,330,895.12 and 303,991,037.13 is: 455,935,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,665,251.70 : 1,505,330,895.12 = 303,991,037.13 : x
  2. Step 2: Convert to fraction form
    1,003,665,251.70/1,505,330,895.12 = 303,991,037.13/x
  3. Step 3: Cross multiply
    1,003,665,251.70x = 1,505,330,895.12 × 303,991,037.13
  4. Step 4: Simplify right side
    1,003,665,251.70x = 457,607,100,031,360,000
  5. Step 5: Solve for x
    x = 457,607,100,031,360,000/1,003,665,251.70
  6. Step 6: Final answer
    x = 455,935,979.91

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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.