Home / 15,288,665,889,972-21,103,386,888,491-12,169,320,264,041

Finding the Fourth Proportional to 15,288,665,889,972, 21,103,386,888,491 and 12,169,320,264,041

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Solution

The fourth proportional to 15,288,665,889,972, 21,103,386,888,491 and 12,169,320,264,041 is: 16,797,664,070,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,665,889,972 : 21,103,386,888,491 = 12,169,320,264,041 : x
  2. Step 2: Convert to fraction form
    15,288,665,889,972/21,103,386,888,491 = 12,169,320,264,041/x
  3. Step 3: Cross multiply
    15,288,665,889,972x = 21,103,386,888,491 × 12,169,320,264,041
  4. Step 4: Simplify right side
    15,288,665,889,972x = 256,813,873,702,010,674,361,663,488
  5. Step 5: Solve for x
    x = 256,813,873,702,010,674,361,663,488/15,288,665,889,972
  6. Step 6: Final answer
    x = 16,797,664,070,248.12

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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.