Home / 445,911,653.76-669,086,608.32-200,441,724

Finding the Fourth Proportional to 445,911,653.76, 669,086,608.32 and 200,441,724

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Solution

The fourth proportional to 445,911,653.76, 669,086,608.32 and 200,441,724 is: 300,761,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,911,653.76 : 669,086,608.32 = 200,441,724 : x
  2. Step 2: Convert to fraction form
    445,911,653.76/669,086,608.32 = 200,441,724/x
  3. Step 3: Cross multiply
    445,911,653.76x = 669,086,608.32 × 200,441,724
  4. Step 4: Simplify right side
    445,911,653.76x = 134,112,873,276,973,552
  5. Step 5: Solve for x
    x = 134,112,873,276,973,552/445,911,653.76
  6. Step 6: Final answer
    x = 300,761,086.07

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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.