Home / 539,445,855.12-808,841,115.27-211,528,518.54

Finding the Fourth Proportional to 539,445,855.12, 808,841,115.27 and 211,528,518.54

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Solution

The fourth proportional to 539,445,855.12, 808,841,115.27 and 211,528,518.54 is: 317,164,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,855.12 : 808,841,115.27 = 211,528,518.54 : x
  2. Step 2: Convert to fraction form
    539,445,855.12/808,841,115.27 = 211,528,518.54/x
  3. Step 3: Cross multiply
    539,445,855.12x = 808,841,115.27 × 211,528,518.54
  4. Step 4: Simplify right side
    539,445,855.12x = 171,092,962,847,304,448
  5. Step 5: Solve for x
    x = 171,092,962,847,304,448/539,445,855.12
  6. Step 6: Final answer
    x = 317,164,292.25

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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.