Home / 5,191,156,438.52-7,163,756,287.56-2,812,277,358.20

Finding the Fourth Proportional to 5,191,156,438.52, 7,163,756,287.56 and 2,812,277,358.20

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Solution

The fourth proportional to 5,191,156,438.52, 7,163,756,287.56 and 2,812,277,358.20 is: 3,880,921,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,156,438.52 : 7,163,756,287.56 = 2,812,277,358.20 : x
  2. Step 2: Convert to fraction form
    5,191,156,438.52/7,163,756,287.56 = 2,812,277,358.20/x
  3. Step 3: Cross multiply
    5,191,156,438.52x = 7,163,756,287.56 × 2,812,277,358.20
  4. Step 4: Simplify right side
    5,191,156,438.52x = 20,146,469,607,167,877,120
  5. Step 5: Solve for x
    x = 20,146,469,607,167,877,120/5,191,156,438.52
  6. Step 6: Final answer
    x = 3,880,921,302.56

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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.