Home / 862,142,856.42-1,294,031,876.76-533,624,630.52

Finding the Fourth Proportional to 862,142,856.42, 1,294,031,876.76 and 533,624,630.52

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Solution

The fourth proportional to 862,142,856.42, 1,294,031,876.76 and 533,624,630.52 is: 800,942,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,142,856.42 : 1,294,031,876.76 = 533,624,630.52 : x
  2. Step 2: Convert to fraction form
    862,142,856.42/1,294,031,876.76 = 533,624,630.52/x
  3. Step 3: Cross multiply
    862,142,856.42x = 1,294,031,876.76 × 533,624,630.52
  4. Step 4: Simplify right side
    862,142,856.42x = 690,527,282,117,157,120
  5. Step 5: Solve for x
    x = 690,527,282,117,157,120/862,142,856.42
  6. Step 6: Final answer
    x = 800,942,995.67

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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.