Home / 331,776,358.20-497,664,537.30-318,339,430.20

Finding the Fourth Proportional to 331,776,358.20, 497,664,537.30 and 318,339,430.20

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Solution

The fourth proportional to 331,776,358.20, 497,664,537.30 and 318,339,430.20 is: 477,509,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,358.20 : 497,664,537.30 = 318,339,430.20 : x
  2. Step 2: Convert to fraction form
    331,776,358.20/497,664,537.30 = 318,339,430.20/x
  3. Step 3: Cross multiply
    331,776,358.20x = 497,664,537.30 × 318,339,430.20
  4. Step 4: Simplify right side
    331,776,358.20x = 158,426,245,234,828,640
  5. Step 5: Solve for x
    x = 158,426,245,234,828,640/331,776,358.20
  6. Step 6: Final answer
    x = 477,509,145.30

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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.