Home / 1,412,640,311.40-2,119,338,380.70-1,004,493,623.40

Finding the Fourth Proportional to 1,412,640,311.40, 2,119,338,380.70 and 1,004,493,623.40

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Solution

The fourth proportional to 1,412,640,311.40, 2,119,338,380.70 and 1,004,493,623.40 is: 1,507,009,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,640,311.40 : 2,119,338,380.70 = 1,004,493,623.40 : x
  2. Step 2: Convert to fraction form
    1,412,640,311.40/2,119,338,380.70 = 1,004,493,623.40/x
  3. Step 3: Cross multiply
    1,412,640,311.40x = 2,119,338,380.70 × 1,004,493,623.40
  4. Step 4: Simplify right side
    1,412,640,311.40x = 2,128,861,889,240,031,744
  5. Step 5: Solve for x
    x = 2,128,861,889,240,031,744/1,412,640,311.40
  6. Step 6: Final answer
    x = 1,507,009,160.12

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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.