Home / 669,942,518.20-923,879,059.48-443,523,086.20

Finding the Fourth Proportional to 669,942,518.20, 923,879,059.48 and 443,523,086.20

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Solution

The fourth proportional to 669,942,518.20, 923,879,059.48 and 443,523,086.20 is: 611,637,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,942,518.20 : 923,879,059.48 = 443,523,086.20 : x
  2. Step 2: Convert to fraction form
    669,942,518.20/923,879,059.48 = 443,523,086.20/x
  3. Step 3: Cross multiply
    669,942,518.20x = 923,879,059.48 × 443,523,086.20
  4. Step 4: Simplify right side
    669,942,518.20x = 409,761,691,736,122,944
  5. Step 5: Solve for x
    x = 409,761,691,736,122,944/669,942,518.20
  6. Step 6: Final answer
    x = 611,637,089.16

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1.5x scale

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.