Home / 1,317,167,648.60-1,817,693,952.08-722,456,973.09

Finding the Fourth Proportional to 1,317,167,648.60, 1,817,693,952.08 and 722,456,973.09

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Solution

The fourth proportional to 1,317,167,648.60, 1,817,693,952.08 and 722,456,973.09 is: 996,992,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,167,648.60 : 1,817,693,952.08 = 722,456,973.09 : x
  2. Step 2: Convert to fraction form
    1,317,167,648.60/1,817,693,952.08 = 722,456,973.09/x
  3. Step 3: Cross multiply
    1,317,167,648.60x = 1,817,693,952.08 × 722,456,973.09
  4. Step 4: Simplify right side
    1,317,167,648.60x = 1,313,205,670,620,104,192
  5. Step 5: Solve for x
    x = 1,313,205,670,620,104,192/1,317,167,648.60
  6. Step 6: Final answer
    x = 996,992,047.31

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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.