Home / 539,491,379.40-809,237,069.10-365,152,159.35

Finding the Fourth Proportional to 539,491,379.40, 809,237,069.10 and 365,152,159.35

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Solution

The fourth proportional to 539,491,379.40, 809,237,069.10 and 365,152,159.35 is: 547,728,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,491,379.40 : 809,237,069.10 = 365,152,159.35 : x
  2. Step 2: Convert to fraction form
    539,491,379.40/809,237,069.10 = 365,152,159.35/x
  3. Step 3: Cross multiply
    539,491,379.40x = 809,237,069.10 × 365,152,159.35
  4. Step 4: Simplify right side
    539,491,379.40x = 295,494,663,207,930,176
  5. Step 5: Solve for x
    x = 295,494,663,207,930,176/539,491,379.40
  6. Step 6: Final answer
    x = 547,728,239.03

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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.