Home / 539,445,872.75-808,841,141.71-211,528,536.17

Finding the Fourth Proportional to 539,445,872.75, 808,841,141.71 and 211,528,536.17

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Solution

The fourth proportional to 539,445,872.75, 808,841,141.71 and 211,528,536.17 is: 317,164,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,872.75 : 808,841,141.71 = 211,528,536.17 : x
  2. Step 2: Convert to fraction form
    539,445,872.75/808,841,141.71 = 211,528,536.17/x
  3. Step 3: Cross multiply
    539,445,872.75x = 808,841,141.71 × 211,528,536.17
  4. Step 4: Simplify right side
    539,445,872.75x = 171,092,982,695,414,784
  5. Step 5: Solve for x
    x = 171,092,982,695,414,784/539,445,872.75
  6. Step 6: Final answer
    x = 317,164,318.68

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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.