Home / 1,489,964,476.48-2,055,826,699.68-903,397,779.52

Finding the Fourth Proportional to 1,489,964,476.48, 2,055,826,699.68 and 903,397,779.52

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Solution

The fourth proportional to 1,489,964,476.48, 2,055,826,699.68 and 903,397,779.52 is: 1,246,492,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,964,476.48 : 2,055,826,699.68 = 903,397,779.52 : x
  2. Step 2: Convert to fraction form
    1,489,964,476.48/2,055,826,699.68 = 903,397,779.52/x
  3. Step 3: Cross multiply
    1,489,964,476.48x = 2,055,826,699.68 × 903,397,779.52
  4. Step 4: Simplify right side
    1,489,964,476.48x = 1,857,229,275,568,841,984
  5. Step 5: Solve for x
    x = 1,857,229,275,568,841,984/1,489,964,476.48
  6. Step 6: Final answer
    x = 1,246,492,319.04

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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.