Home / 355,328,020.20-532,992,030.30-274,606,919.40

Finding the Fourth Proportional to 355,328,020.20, 532,992,030.30 and 274,606,919.40

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Solution

The fourth proportional to 355,328,020.20, 532,992,030.30 and 274,606,919.40 is: 411,910,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,328,020.20 : 532,992,030.30 = 274,606,919.40 : x
  2. Step 2: Convert to fraction form
    355,328,020.20/532,992,030.30 = 274,606,919.40/x
  3. Step 3: Cross multiply
    355,328,020.20x = 532,992,030.30 × 274,606,919.40
  4. Step 4: Simplify right side
    355,328,020.20x = 146,363,299,505,434,464
  5. Step 5: Solve for x
    x = 146,363,299,505,434,464/355,328,020.20
  6. Step 6: Final answer
    x = 411,910,379.10

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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.