Home / 1,611,766,486.40-2,417,052,532.80-521,285,129.60

Finding the Fourth Proportional to 1,611,766,486.40, 2,417,052,532.80 and 521,285,129.60

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Solution

The fourth proportional to 1,611,766,486.40, 2,417,052,532.80 and 521,285,129.60 is: 781,734,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,766,486.40 : 2,417,052,532.80 = 521,285,129.60 : x
  2. Step 2: Convert to fraction form
    1,611,766,486.40/2,417,052,532.80 = 521,285,129.60/x
  3. Step 3: Cross multiply
    1,611,766,486.40x = 2,417,052,532.80 × 521,285,129.60
  4. Step 4: Simplify right side
    1,611,766,486.40x = 1,259,973,542,810,656,512
  5. Step 5: Solve for x
    x = 1,259,973,542,810,656,512/1,611,766,486.40
  6. Step 6: Final answer
    x = 781,734,546.19

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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.