Home / 539,445,890-808,841,167.52-211,528,553.44

Finding the Fourth Proportional to 539,445,890, 808,841,167.52 and 211,528,553.44

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Solution

The fourth proportional to 539,445,890, 808,841,167.52 and 211,528,553.44 is: 317,164,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,890 : 808,841,167.52 = 211,528,553.44 : x
  2. Step 2: Convert to fraction form
    539,445,890/808,841,167.52 = 211,528,553.44/x
  3. Step 3: Cross multiply
    539,445,890x = 808,841,167.52 × 211,528,553.44
  4. Step 4: Simplify right side
    539,445,890x = 171,093,002,128,226,304
  5. Step 5: Solve for x
    x = 171,093,002,128,226,304/539,445,890
  6. Step 6: Final answer
    x = 317,164,344.56

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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.