Home / 2,978,113,921.70-4,467,170,882.55-2,518,948,897.70

Finding the Fourth Proportional to 2,978,113,921.70, 4,467,170,882.55 and 2,518,948,897.70

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Solution

The fourth proportional to 2,978,113,921.70, 4,467,170,882.55 and 2,518,948,897.70 is: 3,778,423,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,113,921.70 : 4,467,170,882.55 = 2,518,948,897.70 : x
  2. Step 2: Convert to fraction form
    2,978,113,921.70/4,467,170,882.55 = 2,518,948,897.70/x
  3. Step 3: Cross multiply
    2,978,113,921.70x = 4,467,170,882.55 × 2,518,948,897.70
  4. Step 4: Simplify right side
    2,978,113,921.70x = 11,252,575,170,436,857,856
  5. Step 5: Solve for x
    x = 11,252,575,170,436,857,856/2,978,113,921.70
  6. Step 6: Final answer
    x = 3,778,423,346.55

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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.