Home / 486,464,386.96-730,860,682.61-311,929,374.36

Finding the Fourth Proportional to 486,464,386.96, 730,860,682.61 and 311,929,374.36

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Solution

The fourth proportional to 486,464,386.96, 730,860,682.61 and 311,929,374.36 is: 468,640,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,464,386.96 : 730,860,682.61 = 311,929,374.36 : x
  2. Step 2: Convert to fraction form
    486,464,386.96/730,860,682.61 = 311,929,374.36/x
  3. Step 3: Cross multiply
    486,464,386.96x = 730,860,682.61 × 311,929,374.36
  4. Step 4: Simplify right side
    486,464,386.96x = 227,976,915,469,300,192
  5. Step 5: Solve for x
    x = 227,976,915,469,300,192/486,464,386.96
  6. Step 6: Final answer
    x = 468,640,503.97

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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.