Home / 651,211,217.28-976,022,040.96-305,703,630.72

Finding the Fourth Proportional to 651,211,217.28, 976,022,040.96 and 305,703,630.72

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Solution

The fourth proportional to 651,211,217.28, 976,022,040.96 and 305,703,630.72 is: 458,182,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,211,217.28 : 976,022,040.96 = 305,703,630.72 : x
  2. Step 2: Convert to fraction form
    651,211,217.28/976,022,040.96 = 305,703,630.72/x
  3. Step 3: Cross multiply
    651,211,217.28x = 976,022,040.96 × 305,703,630.72
  4. Step 4: Simplify right side
    651,211,217.28x = 298,373,481,584,216,576
  5. Step 5: Solve for x
    x = 298,373,481,584,216,576/651,211,217.28
  6. Step 6: Final answer
    x = 458,182,343.40

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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.