Home / 726,771,908.40-1,090,157,862.60-266,650,290.60

Finding the Fourth Proportional to 726,771,908.40, 1,090,157,862.60 and 266,650,290.60

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Solution

The fourth proportional to 726,771,908.40, 1,090,157,862.60 and 266,650,290.60 is: 399,975,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,771,908.40 : 1,090,157,862.60 = 266,650,290.60 : x
  2. Step 2: Convert to fraction form
    726,771,908.40/1,090,157,862.60 = 266,650,290.60/x
  3. Step 3: Cross multiply
    726,771,908.40x = 1,090,157,862.60 × 266,650,290.60
  4. Step 4: Simplify right side
    726,771,908.40x = 290,690,910,862,164,864
  5. Step 5: Solve for x
    x = 290,690,910,862,164,864/726,771,908.40
  6. Step 6: Final answer
    x = 399,975,435.90

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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.