Home / 12,981,479,900,038-19,472,846,111,185-4,268,462,964,790.40

Finding the Fourth Proportional to 12,981,479,900,038, 19,472,846,111,185 and 4,268,462,964,790.40

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Solution

The fourth proportional to 12,981,479,900,038, 19,472,846,111,185 and 4,268,462,964,790.40 is: 6,402,900,369,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,479,900,038 : 19,472,846,111,185 = 4,268,462,964,790.40 : x
  2. Step 2: Convert to fraction form
    12,981,479,900,038/19,472,846,111,185 = 4,268,462,964,790.40/x
  3. Step 3: Cross multiply
    12,981,479,900,038x = 19,472,846,111,185 × 4,268,462,964,790.40
  4. Step 4: Simplify right side
    12,981,479,900,038x = 83,119,122,444,655,939,261,825,024
  5. Step 5: Solve for x
    x = 83,119,122,444,655,939,261,825,024/12,981,479,900,038
  6. Step 6: Final answer
    x = 6,402,900,369,195.40

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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.