Home / 15,123,812,468.39-22,685,407,176.44-5,040,257,666.21

Finding the Fourth Proportional to 15,123,812,468.39, 22,685,407,176.44 and 5,040,257,666.21

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Solution

The fourth proportional to 15,123,812,468.39, 22,685,407,176.44 and 5,040,257,666.21 is: 7,560,282,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123,812,468.39 : 22,685,407,176.44 = 5,040,257,666.21 : x
  2. Step 2: Convert to fraction form
    15,123,812,468.39/22,685,407,176.44 = 5,040,257,666.21/x
  3. Step 3: Cross multiply
    15,123,812,468.39x = 22,685,407,176.44 × 5,040,257,666.21
  4. Step 4: Simplify right side
    15,123,812,468.39x = 114,340,297,432,147,050,496
  5. Step 5: Solve for x
    x = 114,340,297,432,147,050,496/15,123,812,468.39
  6. Step 6: Final answer
    x = 7,560,282,678.14

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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.