Home / 18,191,029,204.60-27,286,543,806.90-15,527,872,065.40

Finding the Fourth Proportional to 18,191,029,204.60, 27,286,543,806.90 and 15,527,872,065.40

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Solution

The fourth proportional to 18,191,029,204.60, 27,286,543,806.90 and 15,527,872,065.40 is: 23,291,808,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,029,204.60 : 27,286,543,806.90 = 15,527,872,065.40 : x
  2. Step 2: Convert to fraction form
    18,191,029,204.60/27,286,543,806.90 = 15,527,872,065.40/x
  3. Step 3: Cross multiply
    18,191,029,204.60x = 27,286,543,806.90 × 15,527,872,065.40
  4. Step 4: Simplify right side
    18,191,029,204.60x = 423,701,961,340,475,867,136
  5. Step 5: Solve for x
    x = 423,701,961,340,475,867,136/18,191,029,204.60
  6. Step 6: Final answer
    x = 23,291,808,098.10

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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.