Home / 510,810,264.78-704,918,138.42-275,860,902.63

Finding the Fourth Proportional to 510,810,264.78, 704,918,138.42 and 275,860,902.63

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Solution

The fourth proportional to 510,810,264.78, 704,918,138.42 and 275,860,902.63 is: 380,688,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,810,264.78 : 704,918,138.42 = 275,860,902.63 : x
  2. Step 2: Convert to fraction form
    510,810,264.78/704,918,138.42 = 275,860,902.63/x
  3. Step 3: Cross multiply
    510,810,264.78x = 704,918,138.42 × 275,860,902.63
  4. Step 4: Simplify right side
    510,810,264.78x = 194,459,353,944,800,480
  5. Step 5: Solve for x
    x = 194,459,353,944,800,480/510,810,264.78
  6. Step 6: Final answer
    x = 380,688,031.06

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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.