Home / 447,624,446.80-671,436,670.20-265,778,021.20

Finding the Fourth Proportional to 447,624,446.80, 671,436,670.20 and 265,778,021.20

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Solution

The fourth proportional to 447,624,446.80, 671,436,670.20 and 265,778,021.20 is: 398,667,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,624,446.80 : 671,436,670.20 = 265,778,021.20 : x
  2. Step 2: Convert to fraction form
    447,624,446.80/671,436,670.20 = 265,778,021.20/x
  3. Step 3: Cross multiply
    447,624,446.80x = 671,436,670.20 × 265,778,021.20
  4. Step 4: Simplify right side
    447,624,446.80x = 178,453,109,566,873,024
  5. Step 5: Solve for x
    x = 178,453,109,566,873,024/447,624,446.80
  6. Step 6: Final answer
    x = 398,667,031.80

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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.