Home / 809,589,668.55-1,214,384,677.74-292,020,065.97

Finding the Fourth Proportional to 809,589,668.55, 1,214,384,677.74 and 292,020,065.97

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Solution

The fourth proportional to 809,589,668.55, 1,214,384,677.74 and 292,020,065.97 is: 438,030,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,589,668.55 : 1,214,384,677.74 = 292,020,065.97 : x
  2. Step 2: Convert to fraction form
    809,589,668.55/1,214,384,677.74 = 292,020,065.97/x
  3. Step 3: Cross multiply
    809,589,668.55x = 1,214,384,677.74 × 292,020,065.97
  4. Step 4: Simplify right side
    809,589,668.55x = 354,624,693,706,592,000
  5. Step 5: Solve for x
    x = 354,624,693,706,592,000/809,589,668.55
  6. Step 6: Final answer
    x = 438,030,162.05

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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.