Home / 899,179,990.59-1,348,862,480.97-339,413,321.07

Finding the Fourth Proportional to 899,179,990.59, 1,348,862,480.97 and 339,413,321.07

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Solution

The fourth proportional to 899,179,990.59, 1,348,862,480.97 and 339,413,321.07 is: 509,154,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,179,990.59 : 1,348,862,480.97 = 339,413,321.07 : x
  2. Step 2: Convert to fraction form
    899,179,990.59/1,348,862,480.97 = 339,413,321.07/x
  3. Step 3: Cross multiply
    899,179,990.59x = 1,348,862,480.97 × 339,413,321.07
  4. Step 4: Simplify right side
    899,179,990.59x = 457,821,894,332,747,392
  5. Step 5: Solve for x
    x = 457,821,894,332,747,392/899,179,990.59
  6. Step 6: Final answer
    x = 509,154,895.71

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1.5x scale

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.