Home / 471,539,959,289.45-707,428,969,847.40-131,578,851,806.29

Finding the Fourth Proportional to 471,539,959,289.45, 707,428,969,847.40 and 131,578,851,806.29

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Solution

The fourth proportional to 471,539,959,289.45, 707,428,969,847.40 and 131,578,851,806.29 is: 197,401,492,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,539,959,289.45 : 707,428,969,847.40 = 131,578,851,806.29 : x
  2. Step 2: Convert to fraction form
    471,539,959,289.45/707,428,969,847.40 = 131,578,851,806.29/x
  3. Step 3: Cross multiply
    471,539,959,289.45x = 707,428,969,847.40 × 131,578,851,806.29
  4. Step 4: Simplify right side
    471,539,959,289.45x = 93,082,691,587,027,440,238,592
  5. Step 5: Solve for x
    x = 93,082,691,587,027,440,238,592/471,539,959,289.45
  6. Step 6: Final answer
    x = 197,401,492,181.68

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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.