Home / 726,861,321.70-1,090,291,982.55-436,623,676.90

Finding the Fourth Proportional to 726,861,321.70, 1,090,291,982.55 and 436,623,676.90

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Solution

The fourth proportional to 726,861,321.70, 1,090,291,982.55 and 436,623,676.90 is: 654,935,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,861,321.70 : 1,090,291,982.55 = 436,623,676.90 : x
  2. Step 2: Convert to fraction form
    726,861,321.70/1,090,291,982.55 = 436,623,676.90/x
  3. Step 3: Cross multiply
    726,861,321.70x = 1,090,291,982.55 × 436,623,676.90
  4. Step 4: Simplify right side
    726,861,321.70x = 476,047,294,315,571,584
  5. Step 5: Solve for x
    x = 476,047,294,315,571,584/726,861,321.70
  6. Step 6: Final answer
    x = 654,935,515.35

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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.