Home / 436,764,007.80-655,146,011.70-339,191,440.20

Finding the Fourth Proportional to 436,764,007.80, 655,146,011.70 and 339,191,440.20

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Solution

The fourth proportional to 436,764,007.80, 655,146,011.70 and 339,191,440.20 is: 508,787,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,764,007.80 : 655,146,011.70 = 339,191,440.20 : x
  2. Step 2: Convert to fraction form
    436,764,007.80/655,146,011.70 = 339,191,440.20/x
  3. Step 3: Cross multiply
    436,764,007.80x = 655,146,011.70 × 339,191,440.20
  4. Step 4: Simplify right side
    436,764,007.80x = 222,219,919,249,809,056
  5. Step 5: Solve for x
    x = 222,219,919,249,809,056/436,764,007.80
  6. Step 6: Final answer
    x = 508,787,160.30

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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.