Home / 380,250,914.33-569,636,290.68-280,358,606.76

Finding the Fourth Proportional to 380,250,914.33, 569,636,290.68 and 280,358,606.76

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Solution

The fourth proportional to 380,250,914.33, 569,636,290.68 and 280,358,606.76 is: 419,992,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,250,914.33 : 569,636,290.68 = 280,358,606.76 : x
  2. Step 2: Convert to fraction form
    380,250,914.33/569,636,290.68 = 280,358,606.76/x
  3. Step 3: Cross multiply
    380,250,914.33x = 569,636,290.68 × 280,358,606.76
  4. Step 4: Simplify right side
    380,250,914.33x = 159,702,436,814,979,168
  5. Step 5: Solve for x
    x = 159,702,436,814,979,168/380,250,914.33
  6. Step 6: Final answer
    x = 419,992,249.32

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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.