Home / 539,445,876.50-808,841,147.33-211,528,539.92

Finding the Fourth Proportional to 539,445,876.50, 808,841,147.33 and 211,528,539.92

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Solution

The fourth proportional to 539,445,876.50, 808,841,147.33 and 211,528,539.92 is: 317,164,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,876.50 : 808,841,147.33 = 211,528,539.92 : x
  2. Step 2: Convert to fraction form
    539,445,876.50/808,841,147.33 = 211,528,539.92/x
  3. Step 3: Cross multiply
    539,445,876.50x = 808,841,147.33 × 211,528,539.92
  4. Step 4: Simplify right side
    539,445,876.50x = 171,092,986,916,830,656
  5. Step 5: Solve for x
    x = 171,092,986,916,830,656/539,445,876.50
  6. Step 6: Final answer
    x = 317,164,324.30

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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.