Home / 384,483,751.32-530,576,615.16-225,711,321.21

Finding the Fourth Proportional to 384,483,751.32, 530,576,615.16 and 225,711,321.21

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Solution

The fourth proportional to 384,483,751.32, 530,576,615.16 and 225,711,321.21 is: 311,475,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,483,751.32 : 530,576,615.16 = 225,711,321.21 : x
  2. Step 2: Convert to fraction form
    384,483,751.32/530,576,615.16 = 225,711,321.21/x
  3. Step 3: Cross multiply
    384,483,751.32x = 530,576,615.16 × 225,711,321.21
  4. Step 4: Simplify right side
    384,483,751.32x = 119,757,148,810,893,328
  5. Step 5: Solve for x
    x = 119,757,148,810,893,328/384,483,751.32
  6. Step 6: Final answer
    x = 311,475,188.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.