Home / 726,768,522.30-1,090,294,501.05-312,244,542.30

Finding the Fourth Proportional to 726,768,522.30, 1,090,294,501.05 and 312,244,542.30

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Solution

The fourth proportional to 726,768,522.30, 1,090,294,501.05 and 312,244,542.30 is: 468,427,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,768,522.30 : 1,090,294,501.05 = 312,244,542.30 : x
  2. Step 2: Convert to fraction form
    726,768,522.30/1,090,294,501.05 = 312,244,542.30/x
  3. Step 3: Cross multiply
    726,768,522.30x = 1,090,294,501.05 × 312,244,542.30
  4. Step 4: Simplify right side
    726,768,522.30x = 340,438,507,452,564,096
  5. Step 5: Solve for x
    x = 340,438,507,452,564,096/726,768,522.30
  6. Step 6: Final answer
    x = 468,427,700.16

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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.