Home / 15,288,665,889,971-21,103,386,888,490-12,169,320,264,040

Finding the Fourth Proportional to 15,288,665,889,971, 21,103,386,888,490 and 12,169,320,264,040

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Solution

The fourth proportional to 15,288,665,889,971, 21,103,386,888,490 and 12,169,320,264,040 is: 16,797,664,070,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,665,889,971 : 21,103,386,888,490 = 12,169,320,264,040 : x
  2. Step 2: Convert to fraction form
    15,288,665,889,971/21,103,386,888,490 = 12,169,320,264,040/x
  3. Step 3: Cross multiply
    15,288,665,889,971x = 21,103,386,888,490 × 12,169,320,264,040
  4. Step 4: Simplify right side
    15,288,665,889,971x = 256,813,873,701,977,414,134,923,264
  5. Step 5: Solve for x
    x = 256,813,873,701,977,414,134,923,264/15,288,665,889,971
  6. Step 6: Final answer
    x = 16,797,664,070,247.04

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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.