Home / 19,659,369,913.20-29,510,040,127.77-8,472,764,718.63

Finding the Fourth Proportional to 19,659,369,913.20, 29,510,040,127.77 and 8,472,764,718.63

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Solution

The fourth proportional to 19,659,369,913.20, 29,510,040,127.77 and 8,472,764,718.63 is: 12,718,191,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,369,913.20 : 29,510,040,127.77 = 8,472,764,718.63 : x
  2. Step 2: Convert to fraction form
    19,659,369,913.20/29,510,040,127.77 = 8,472,764,718.63/x
  3. Step 3: Cross multiply
    19,659,369,913.20x = 29,510,040,127.77 × 8,472,764,718.63
  4. Step 4: Simplify right side
    19,659,369,913.20x = 250,031,626,839,925,194,752
  5. Step 5: Solve for x
    x = 250,031,626,839,925,194,752/19,659,369,913.20
  6. Step 6: Final answer
    x = 12,718,191,271.84

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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.