Home / 445,570,320.26-668,354,917.23-169,221,019.70

Finding the Fourth Proportional to 445,570,320.26, 668,354,917.23 and 169,221,019.70

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Solution

The fourth proportional to 445,570,320.26, 668,354,917.23 and 169,221,019.70 is: 253,831,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570,320.26 : 668,354,917.23 = 169,221,019.70 : x
  2. Step 2: Convert to fraction form
    445,570,320.26/668,354,917.23 = 169,221,019.70/x
  3. Step 3: Cross multiply
    445,570,320.26x = 668,354,917.23 × 169,221,019.70
  4. Step 4: Simplify right side
    445,570,320.26x = 113,099,700,611,827,920
  5. Step 5: Solve for x
    x = 113,099,700,611,827,920/445,570,320.26
  6. Step 6: Final answer
    x = 253,831,315.67

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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.