Home / 516,924,856.23-775,394,031.78-171,878,483.13

Finding the Fourth Proportional to 516,924,856.23, 775,394,031.78 and 171,878,483.13

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Solution

The fourth proportional to 516,924,856.23, 775,394,031.78 and 171,878,483.13 is: 257,819,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,924,856.23 : 775,394,031.78 = 171,878,483.13 : x
  2. Step 2: Convert to fraction form
    516,924,856.23/775,394,031.78 = 171,878,483.13/x
  3. Step 3: Cross multiply
    516,924,856.23x = 775,394,031.78 × 171,878,483.13
  4. Step 4: Simplify right side
    516,924,856.23x = 133,273,550,010,401,408
  5. Step 5: Solve for x
    x = 133,273,550,010,401,408/516,924,856.23
  6. Step 6: Final answer
    x = 257,819,968.23

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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.