Home / 21,397,664,216.45-32,091,192,398.15-7,232,315,048.72

Finding the Fourth Proportional to 21,397,664,216.45, 32,091,192,398.15 and 7,232,315,048.72

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Solution

The fourth proportional to 21,397,664,216.45, 32,091,192,398.15 and 7,232,315,048.72 is: 10,846,679,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,664,216.45 : 32,091,192,398.15 = 7,232,315,048.72 : x
  2. Step 2: Convert to fraction form
    21,397,664,216.45/32,091,192,398.15 = 7,232,315,048.72/x
  3. Step 3: Cross multiply
    21,397,664,216.45x = 32,091,192,398.15 × 7,232,315,048.72
  4. Step 4: Simplify right side
    21,397,664,216.45x = 232,093,613,712,509,140,992
  5. Step 5: Solve for x
    x = 232,093,613,712,509,140,992/21,397,664,216.45
  6. Step 6: Final answer
    x = 10,846,679,869.58

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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.