Home / 539,553,691.62-809,359,970.40-171,061,993.80

Finding the Fourth Proportional to 539,553,691.62, 809,359,970.40 and 171,061,993.80

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Solution

The fourth proportional to 539,553,691.62, 809,359,970.40 and 171,061,993.80 is: 256,602,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,553,691.62 : 809,359,970.40 = 171,061,993.80 : x
  2. Step 2: Convert to fraction form
    539,553,691.62/809,359,970.40 = 171,061,993.80/x
  3. Step 3: Cross multiply
    539,553,691.62x = 809,359,970.40 × 171,061,993.80
  4. Step 4: Simplify right side
    539,553,691.62x = 138,450,730,238,532,992
  5. Step 5: Solve for x
    x = 138,450,730,238,532,992/539,553,691.62
  6. Step 6: Final answer
    x = 256,602,322.23

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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.