Home / 478,091,924,367.85-717,263,669,556.75-171,812,646,401.94

Finding the Fourth Proportional to 478,091,924,367.85, 717,263,669,556.75 and 171,812,646,401.94

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Solution

The fourth proportional to 478,091,924,367.85, 717,263,669,556.75 and 171,812,646,401.94 is: 257,764,172,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,091,924,367.85 : 717,263,669,556.75 = 171,812,646,401.94 : x
  2. Step 2: Convert to fraction form
    478,091,924,367.85/717,263,669,556.75 = 171,812,646,401.94/x
  3. Step 3: Cross multiply
    478,091,924,367.85x = 717,263,669,556.75 × 171,812,646,401.94
  4. Step 4: Simplify right side
    478,091,924,367.85x = 123,234,969,234,511,830,712,320
  5. Step 5: Solve for x
    x = 123,234,969,234,511,830,712,320/478,091,924,367.85
  6. Step 6: Final answer
    x = 257,764,172,439.13

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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.