Home / 510,154,928.70-765,353,819.02-165,108,556.14

Finding the Fourth Proportional to 510,154,928.70, 765,353,819.02 and 165,108,556.14

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Solution

The fourth proportional to 510,154,928.70, 765,353,819.02 and 165,108,556.14 is: 247,702,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,154,928.70 : 765,353,819.02 = 165,108,556.14 : x
  2. Step 2: Convert to fraction form
    510,154,928.70/765,353,819.02 = 165,108,556.14/x
  3. Step 3: Cross multiply
    510,154,928.70x = 765,353,819.02 × 165,108,556.14
  4. Step 4: Simplify right side
    510,154,928.70x = 126,366,463,994,627,056
  5. Step 5: Solve for x
    x = 126,366,463,994,627,056/510,154,928.70
  6. Step 6: Final answer
    x = 247,702,132.99

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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.