Home / 539,445,877.50-808,841,148.82-211,528,540.92

Finding the Fourth Proportional to 539,445,877.50, 808,841,148.82 and 211,528,540.92

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Solution

The fourth proportional to 539,445,877.50, 808,841,148.82 and 211,528,540.92 is: 317,164,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,877.50 : 808,841,148.82 = 211,528,540.92 : x
  2. Step 2: Convert to fraction form
    539,445,877.50/808,841,148.82 = 211,528,540.92/x
  3. Step 3: Cross multiply
    539,445,877.50x = 808,841,148.82 × 211,528,540.92
  4. Step 4: Simplify right side
    539,445,877.50x = 171,092,988,045,951,168
  5. Step 5: Solve for x
    x = 171,092,988,045,951,168/539,445,877.50
  6. Step 6: Final answer
    x = 317,164,325.81

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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.