Home / 1,139,722,037.80-1,709,877,806.46-667,419,952.36

Finding the Fourth Proportional to 1,139,722,037.80, 1,709,877,806.46 and 667,419,952.36

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Solution

The fourth proportional to 1,139,722,037.80, 1,709,877,806.46 and 667,419,952.36 is: 1,001,302,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,722,037.80 : 1,709,877,806.46 = 667,419,952.36 : x
  2. Step 2: Convert to fraction form
    1,139,722,037.80/1,709,877,806.46 = 667,419,952.36/x
  3. Step 3: Cross multiply
    1,139,722,037.80x = 1,709,877,806.46 × 667,419,952.36
  4. Step 4: Simplify right side
    1,139,722,037.80x = 1,141,206,564,128,954,496
  5. Step 5: Solve for x
    x = 1,141,206,564,128,954,496/1,139,722,037.80
  6. Step 6: Final answer
    x = 1,001,302,533.67

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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.