Home / 649,858,136.44-896,803,308.98-352,500,019.56

Finding the Fourth Proportional to 649,858,136.44, 896,803,308.98 and 352,500,019.56

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Solution

The fourth proportional to 649,858,136.44, 896,803,308.98 and 352,500,019.56 is: 486,449,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,858,136.44 : 896,803,308.98 = 352,500,019.56 : x
  2. Step 2: Convert to fraction form
    649,858,136.44/896,803,308.98 = 352,500,019.56/x
  3. Step 3: Cross multiply
    649,858,136.44x = 896,803,308.98 × 352,500,019.56
  4. Step 4: Simplify right side
    649,858,136.44x = 316,123,183,960,119,232
  5. Step 5: Solve for x
    x = 316,123,183,960,119,232/649,858,136.44
  6. Step 6: Final answer
    x = 486,449,528.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.