Home / 391,522,536.59-540,315,306.42-224,291,118.48

Finding the Fourth Proportional to 391,522,536.59, 540,315,306.42 and 224,291,118.48

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Solution

The fourth proportional to 391,522,536.59, 540,315,306.42 and 224,291,118.48 is: 309,529,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,522,536.59 : 540,315,306.42 = 224,291,118.48 : x
  2. Step 2: Convert to fraction form
    391,522,536.59/540,315,306.42 = 224,291,118.48/x
  3. Step 3: Cross multiply
    391,522,536.59x = 540,315,306.42 × 224,291,118.48
  4. Step 4: Simplify right side
    391,522,536.59x = 121,187,924,408,805,712
  5. Step 5: Solve for x
    x = 121,187,924,408,805,712/391,522,536.59
  6. Step 6: Final answer
    x = 309,529,881.64

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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.