Home / 19,815,651,214.68-27,345,603,139.80-10,904,979,967.68

Finding the Fourth Proportional to 19,815,651,214.68, 27,345,603,139.80 and 10,904,979,967.68

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Solution

The fourth proportional to 19,815,651,214.68, 27,345,603,139.80 and 10,904,979,967.68 is: 15,048,874,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,651,214.68 : 27,345,603,139.80 = 10,904,979,967.68 : x
  2. Step 2: Convert to fraction form
    19,815,651,214.68/27,345,603,139.80 = 10,904,979,967.68/x
  3. Step 3: Cross multiply
    19,815,651,214.68x = 27,345,603,139.80 × 10,904,979,967.68
  4. Step 4: Simplify right side
    19,815,651,214.68x = 298,203,254,443,646,320,640
  5. Step 5: Solve for x
    x = 298,203,254,443,646,320,640/19,815,651,214.68
  6. Step 6: Final answer
    x = 15,048,874,811.78

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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.