Home / 6,660,456,400.64-9,990,701,633.12-1,686,178,788.32

Finding the Fourth Proportional to 6,660,456,400.64, 9,990,701,633.12 and 1,686,178,788.32

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Solution

The fourth proportional to 6,660,456,400.64, 9,990,701,633.12 and 1,686,178,788.32 is: 2,529,272,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660,456,400.64 : 9,990,701,633.12 = 1,686,178,788.32 : x
  2. Step 2: Convert to fraction form
    6,660,456,400.64/9,990,701,633.12 = 1,686,178,788.32/x
  3. Step 3: Cross multiply
    6,660,456,400.64x = 9,990,701,633.12 × 1,686,178,788.32
  4. Step 4: Simplify right side
    6,660,456,400.64x = 16,846,109,174,200,928,256
  5. Step 5: Solve for x
    x = 16,846,109,174,200,928,256/6,660,456,400.64
  6. Step 6: Final answer
    x = 2,529,272,494.39

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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.