Home / 1,660,617,007.20-2,291,699,296.71-918,108,899.64

Finding the Fourth Proportional to 1,660,617,007.20, 2,291,699,296.71 and 918,108,899.64

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Solution

The fourth proportional to 1,660,617,007.20, 2,291,699,296.71 and 918,108,899.64 is: 1,267,016,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,617,007.20 : 2,291,699,296.71 = 918,108,899.64 : x
  2. Step 2: Convert to fraction form
    1,660,617,007.20/2,291,699,296.71 = 918,108,899.64/x
  3. Step 3: Cross multiply
    1,660,617,007.20x = 2,291,699,296.71 × 918,108,899.64
  4. Step 4: Simplify right side
    1,660,617,007.20x = 2,104,029,519,608,179,968
  5. Step 5: Solve for x
    x = 2,104,029,519,608,179,968/1,660,617,007.20
  6. Step 6: Final answer
    x = 1,267,016,723.59

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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.