Home / 1,392,993,905.46-2,090,410,225.29-738,404,615.22

Finding the Fourth Proportional to 1,392,993,905.46, 2,090,410,225.29 and 738,404,615.22

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Solution

The fourth proportional to 1,392,993,905.46, 2,090,410,225.29 and 738,404,615.22 is: 1,108,094,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,993,905.46 : 2,090,410,225.29 = 738,404,615.22 : x
  2. Step 2: Convert to fraction form
    1,392,993,905.46/2,090,410,225.29 = 738,404,615.22/x
  3. Step 3: Cross multiply
    1,392,993,905.46x = 2,090,410,225.29 × 738,404,615.22
  4. Step 4: Simplify right side
    1,392,993,905.46x = 1,543,568,558,057,216,000
  5. Step 5: Solve for x
    x = 1,543,568,558,057,216,000/1,392,993,905.46
  6. Step 6: Final answer
    x = 1,108,094,265.17

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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.