Home / 609,423,257.76-912,583,049.64-401,531,399.68

Finding the Fourth Proportional to 609,423,257.76, 912,583,049.64 and 401,531,399.68

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Solution

The fourth proportional to 609,423,257.76, 912,583,049.64 and 401,531,399.68 is: 601,274,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,423,257.76 : 912,583,049.64 = 401,531,399.68 : x
  2. Step 2: Convert to fraction form
    609,423,257.76/912,583,049.64 = 401,531,399.68/x
  3. Step 3: Cross multiply
    609,423,257.76x = 912,583,049.64 × 401,531,399.68
  4. Step 4: Simplify right side
    609,423,257.76x = 366,430,749,246,192,128
  5. Step 5: Solve for x
    x = 366,430,749,246,192,128/609,423,257.76
  6. Step 6: Final answer
    x = 601,274,638.90

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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.