Home / 25,968,690,989.52-38,978,225,443.29-12,532,430,552.51

Finding the Fourth Proportional to 25,968,690,989.52, 38,978,225,443.29 and 12,532,430,552.51

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Solution

The fourth proportional to 25,968,690,989.52, 38,978,225,443.29 and 12,532,430,552.51 is: 18,810,801,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968,690,989.52 : 38,978,225,443.29 = 12,532,430,552.51 : x
  2. Step 2: Convert to fraction form
    25,968,690,989.52/38,978,225,443.29 = 12,532,430,552.51/x
  3. Step 3: Cross multiply
    25,968,690,989.52x = 38,978,225,443.29 × 12,532,430,552.51
  4. Step 4: Simplify right side
    25,968,690,989.52x = 488,491,903,427,915,350,016
  5. Step 5: Solve for x
    x = 488,491,903,427,915,350,016/25,968,690,989.52
  6. Step 6: Final answer
    x = 18,810,801,962.45

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1.5x scale

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.