Home / 445,360,779.19-668,019,440.43-165,296,188.11

Finding the Fourth Proportional to 445,360,779.19, 668,019,440.43 and 165,296,188.11

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Solution

The fourth proportional to 445,360,779.19, 668,019,440.43 and 165,296,188.11 is: 247,936,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,360,779.19 : 668,019,440.43 = 165,296,188.11 : x
  2. Step 2: Convert to fraction form
    445,360,779.19/668,019,440.43 = 165,296,188.11/x
  3. Step 3: Cross multiply
    445,360,779.19x = 668,019,440.43 × 165,296,188.11
  4. Step 4: Simplify right side
    445,360,779.19x = 110,421,067,086,454,224
  5. Step 5: Solve for x
    x = 110,421,067,086,454,224/445,360,779.19
  6. Step 6: Final answer
    x = 247,936,217.66

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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.