Home / 890,156,354.52-1,228,253,343.39-513,675,596.73

Finding the Fourth Proportional to 890,156,354.52, 1,228,253,343.39 and 513,675,596.73

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Solution

The fourth proportional to 890,156,354.52, 1,228,253,343.39 and 513,675,596.73 is: 708,778,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,354.52 : 1,228,253,343.39 = 513,675,596.73 : x
  2. Step 2: Convert to fraction form
    890,156,354.52/1,228,253,343.39 = 513,675,596.73/x
  3. Step 3: Cross multiply
    890,156,354.52x = 1,228,253,343.39 × 513,675,596.73
  4. Step 4: Simplify right side
    890,156,354.52x = 630,923,769,101,475,968
  5. Step 5: Solve for x
    x = 630,923,769,101,475,968/890,156,354.52
  6. Step 6: Final answer
    x = 708,778,593.67

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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.