Home / 18,191,028,670.60-27,286,543,005.90-15,527,871,531.40

Finding the Fourth Proportional to 18,191,028,670.60, 27,286,543,005.90 and 15,527,871,531.40

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Solution

The fourth proportional to 18,191,028,670.60, 27,286,543,005.90 and 15,527,871,531.40 is: 23,291,807,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,028,670.60 : 27,286,543,005.90 = 15,527,871,531.40 : x
  2. Step 2: Convert to fraction form
    18,191,028,670.60/27,286,543,005.90 = 15,527,871,531.40/x
  3. Step 3: Cross multiply
    18,191,028,670.60x = 27,286,543,005.90 × 15,527,871,531.40
  4. Step 4: Simplify right side
    18,191,028,670.60x = 423,701,934,331,636,416,512
  5. Step 5: Solve for x
    x = 423,701,934,331,636,416,512/18,191,028,670.60
  6. Step 6: Final answer
    x = 23,291,807,297.10

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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.