Home / 579,313,090.20-868,969,635.30-515,823,605.40

Finding the Fourth Proportional to 579,313,090.20, 868,969,635.30 and 515,823,605.40

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Solution

The fourth proportional to 579,313,090.20, 868,969,635.30 and 515,823,605.40 is: 773,735,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,313,090.20 : 868,969,635.30 = 515,823,605.40 : x
  2. Step 2: Convert to fraction form
    579,313,090.20/868,969,635.30 = 515,823,605.40/x
  3. Step 3: Cross multiply
    579,313,090.20x = 868,969,635.30 × 515,823,605.40
  4. Step 4: Simplify right side
    579,313,090.20x = 448,235,050,263,569,088
  5. Step 5: Solve for x
    x = 448,235,050,263,569,088/579,313,090.20
  6. Step 6: Final answer
    x = 773,735,408.10

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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.