Home / 12,981,479,900,020-19,472,846,111,158-4,268,462,964,772.80

Finding the Fourth Proportional to 12,981,479,900,020, 19,472,846,111,158 and 4,268,462,964,772.80

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Solution

The fourth proportional to 12,981,479,900,020, 19,472,846,111,158 and 4,268,462,964,772.80 is: 6,402,900,369,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,479,900,020 : 19,472,846,111,158 = 4,268,462,964,772.80 : x
  2. Step 2: Convert to fraction form
    12,981,479,900,020/19,472,846,111,158 = 4,268,462,964,772.80/x
  3. Step 3: Cross multiply
    12,981,479,900,020x = 19,472,846,111,158 × 4,268,462,964,772.80
  4. Step 4: Simplify right side
    12,981,479,900,020x = 83,119,122,444,197,958,309,117,952
  5. Step 5: Solve for x
    x = 83,119,122,444,197,958,309,117,952/12,981,479,900,020
  6. Step 6: Final answer
    x = 6,402,900,369,169.00

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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.