Home / 9,479,145,819.87-13,081,060,916.42-5,249,966,906.52

Finding the Fourth Proportional to 9,479,145,819.87, 13,081,060,916.42 and 5,249,966,906.52

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Solution

The fourth proportional to 9,479,145,819.87, 13,081,060,916.42 and 5,249,966,906.52 is: 7,244,865,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,145,819.87 : 13,081,060,916.42 = 5,249,966,906.52 : x
  2. Step 2: Convert to fraction form
    9,479,145,819.87/13,081,060,916.42 = 5,249,966,906.52/x
  3. Step 3: Cross multiply
    9,479,145,819.87x = 13,081,060,916.42 × 5,249,966,906.52
  4. Step 4: Simplify right side
    9,479,145,819.87x = 68,675,136,913,350,942,720
  5. Step 5: Solve for x
    x = 68,675,136,913,350,942,720/9,479,145,819.87
  6. Step 6: Final answer
    x = 7,244,865,541.51

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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.