Home / 445,283,720.50-668,110,833.14-196,161,479.21

Finding the Fourth Proportional to 445,283,720.50, 668,110,833.14 and 196,161,479.21

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Solution

The fourth proportional to 445,283,720.50, 668,110,833.14 and 196,161,479.21 is: 294,323,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,283,720.50 : 668,110,833.14 = 196,161,479.21 : x
  2. Step 2: Convert to fraction form
    445,283,720.50/668,110,833.14 = 196,161,479.21/x
  3. Step 3: Cross multiply
    445,283,720.50x = 668,110,833.14 × 196,161,479.21
  4. Step 4: Simplify right side
    445,283,720.50x = 131,057,609,303,002,240
  5. Step 5: Solve for x
    x = 131,057,609,303,002,240/445,283,720.50
  6. Step 6: Final answer
    x = 294,323,828.32

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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.