Home / 380,459,642.76-569,720,660.22-250,673,778.84

Finding the Fourth Proportional to 380,459,642.76, 569,720,660.22 and 250,673,778.84

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Solution

The fourth proportional to 380,459,642.76, 569,720,660.22 and 250,673,778.84 is: 375,372,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,459,642.76 : 569,720,660.22 = 250,673,778.84 : x
  2. Step 2: Convert to fraction form
    380,459,642.76/569,720,660.22 = 250,673,778.84/x
  3. Step 3: Cross multiply
    380,459,642.76x = 569,720,660.22 × 250,673,778.84
  4. Step 4: Simplify right side
    380,459,642.76x = 142,814,030,780,567,072
  5. Step 5: Solve for x
    x = 142,814,030,780,567,072/380,459,642.76
  6. Step 6: Final answer
    x = 375,372,351.57

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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.