Home / 1,392,993,769.63-2,090,410,021.48-738,404,479.35

Finding the Fourth Proportional to 1,392,993,769.63, 2,090,410,021.48 and 738,404,479.35

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Solution

The fourth proportional to 1,392,993,769.63, 2,090,410,021.48 and 738,404,479.35 is: 1,108,094,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,993,769.63 : 2,090,410,021.48 = 738,404,479.35 : x
  2. Step 2: Convert to fraction form
    1,392,993,769.63/2,090,410,021.48 = 738,404,479.35/x
  3. Step 3: Cross multiply
    1,392,993,769.63x = 2,090,410,021.48 × 738,404,479.35
  4. Step 4: Simplify right side
    1,392,993,769.63x = 1,543,568,123,538,518,784
  5. Step 5: Solve for x
    x = 1,543,568,123,538,518,784/1,392,993,769.63
  6. Step 6: Final answer
    x = 1,108,094,061.29

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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.