Home / 885,188,150.30-1,221,666,764.55-503,802,913.58

Finding the Fourth Proportional to 885,188,150.30, 1,221,666,764.55 and 503,802,913.58

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Solution

The fourth proportional to 885,188,150.30, 1,221,666,764.55 and 503,802,913.58 is: 695,308,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,188,150.30 : 1,221,666,764.55 = 503,802,913.58 : x
  2. Step 2: Convert to fraction form
    885,188,150.30/1,221,666,764.55 = 503,802,913.58/x
  3. Step 3: Cross multiply
    885,188,150.30x = 1,221,666,764.55 × 503,802,913.58
  4. Step 4: Simplify right side
    885,188,150.30x = 615,479,275,404,141,824
  5. Step 5: Solve for x
    x = 615,479,275,404,141,824/885,188,150.30
  6. Step 6: Final answer
    x = 695,308,986.23

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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.