Home / 13,645,611,700.25-18,831,918,588.21-7,541,832,952.03

Finding the Fourth Proportional to 13,645,611,700.25, 18,831,918,588.21 and 7,541,832,952.03

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Solution

The fourth proportional to 13,645,611,700.25, 18,831,918,588.21 and 7,541,832,952.03 is: 10,408,268,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,611,700.25 : 18,831,918,588.21 = 7,541,832,952.03 : x
  2. Step 2: Convert to fraction form
    13,645,611,700.25/18,831,918,588.21 = 7,541,832,952.03/x
  3. Step 3: Cross multiply
    13,645,611,700.25x = 18,831,918,588.21 × 7,541,832,952.03
  4. Step 4: Simplify right side
    13,645,611,700.25x = 142,027,184,158,598,840,320
  5. Step 5: Solve for x
    x = 142,027,184,158,598,840,320/13,645,611,700.25
  6. Step 6: Final answer
    x = 10,408,268,040.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.