Home / 13,645,611,683.72-18,831,918,565.54-7,541,832,935.61

Finding the Fourth Proportional to 13,645,611,683.72, 18,831,918,565.54 and 7,541,832,935.61

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Solution

The fourth proportional to 13,645,611,683.72, 18,831,918,565.54 and 7,541,832,935.61 is: 10,408,268,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,611,683.72 : 18,831,918,565.54 = 7,541,832,935.61 : x
  2. Step 2: Convert to fraction form
    13,645,611,683.72/18,831,918,565.54 = 7,541,832,935.61/x
  3. Step 3: Cross multiply
    13,645,611,683.72x = 18,831,918,565.54 × 7,541,832,935.61
  4. Step 4: Simplify right side
    13,645,611,683.72x = 142,027,183,678,339,448,832
  5. Step 5: Solve for x
    x = 142,027,183,678,339,448,832/13,645,611,683.72
  6. Step 6: Final answer
    x = 10,408,268,018.34

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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.