Home / 319,341,293.74-479,008,747.26-100,991,673.01

Finding the Fourth Proportional to 319,341,293.74, 479,008,747.26 and 100,991,673.01

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Solution

The fourth proportional to 319,341,293.74, 479,008,747.26 and 100,991,673.01 is: 151,486,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,341,293.74 : 479,008,747.26 = 100,991,673.01 : x
  2. Step 2: Convert to fraction form
    319,341,293.74/479,008,747.26 = 100,991,673.01/x
  3. Step 3: Cross multiply
    319,341,293.74x = 479,008,747.26 × 100,991,673.01
  4. Step 4: Simplify right side
    319,341,293.74x = 48,375,894,772,211,656
  5. Step 5: Solve for x
    x = 48,375,894,772,211,656/319,341,293.74
  6. Step 6: Final answer
    x = 151,486,499.62

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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.