Home / 538,801,246.80-808,201,870.20-409,661,083.80

Finding the Fourth Proportional to 538,801,246.80, 808,201,870.20 and 409,661,083.80

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Solution

The fourth proportional to 538,801,246.80, 808,201,870.20 and 409,661,083.80 is: 614,491,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,801,246.80 : 808,201,870.20 = 409,661,083.80 : x
  2. Step 2: Convert to fraction form
    538,801,246.80/808,201,870.20 = 409,661,083.80/x
  3. Step 3: Cross multiply
    538,801,246.80x = 808,201,870.20 × 409,661,083.80
  4. Step 4: Simplify right side
    538,801,246.80x = 331,088,854,075,318,976
  5. Step 5: Solve for x
    x = 331,088,854,075,318,976/538,801,246.80
  6. Step 6: Final answer
    x = 614,491,625.70

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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.