Home / 990,078,561,919.45-1,485,117,842,879.20-990,078,561,919.45

Finding the Fourth Proportional to 990,078,561,919.45, 1,485,117,842,879.20 and 990,078,561,919.45

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Solution

The fourth proportional to 990,078,561,919.45, 1,485,117,842,879.20 and 990,078,561,919.45 is: 1,485,117,842,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,078,561,919.45 : 1,485,117,842,879.20 = 990,078,561,919.45 : x
  2. Step 2: Convert to fraction form
    990,078,561,919.45/1,485,117,842,879.20 = 990,078,561,919.45/x
  3. Step 3: Cross multiply
    990,078,561,919.45x = 1,485,117,842,879.20 × 990,078,561,919.45
  4. Step 4: Simplify right side
    990,078,561,919.45x = 1,470,383,338,158,753,946,009,600
  5. Step 5: Solve for x
    x = 1,470,383,338,158,753,946,009,600/990,078,561,919.45
  6. Step 6: Final answer
    x = 1,485,117,842,879.20

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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.