Home / 391,522,537.37-540,315,307.49-224,291,119.26

Finding the Fourth Proportional to 391,522,537.37, 540,315,307.49 and 224,291,119.26

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Solution

The fourth proportional to 391,522,537.37, 540,315,307.49 and 224,291,119.26 is: 309,529,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,522,537.37 : 540,315,307.49 = 224,291,119.26 : x
  2. Step 2: Convert to fraction form
    391,522,537.37/540,315,307.49 = 224,291,119.26/x
  3. Step 3: Cross multiply
    391,522,537.37x = 540,315,307.49 × 224,291,119.26
  4. Step 4: Simplify right side
    391,522,537.37x = 121,187,925,070,243,152
  5. Step 5: Solve for x
    x = 121,187,925,070,243,152/391,522,537.37
  6. Step 6: Final answer
    x = 309,529,882.71

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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.