Home / 391,522,441.46-540,315,174.47-224,291,023.25

Finding the Fourth Proportional to 391,522,441.46, 540,315,174.47 and 224,291,023.25

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Solution

The fourth proportional to 391,522,441.46, 540,315,174.47 and 224,291,023.25 is: 309,529,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,522,441.46 : 540,315,174.47 = 224,291,023.25 : x
  2. Step 2: Convert to fraction form
    391,522,441.46/540,315,174.47 = 224,291,023.25/x
  3. Step 3: Cross multiply
    391,522,441.46x = 540,315,174.47 × 224,291,023.25
  4. Step 4: Simplify right side
    391,522,441.46x = 121,187,843,355,555,552
  5. Step 5: Solve for x
    x = 121,187,843,355,555,552/391,522,441.46
  6. Step 6: Final answer
    x = 309,529,749.83

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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.