Home / 1,873,222,971.80-2,808,745,335.73-708,781,268.30

Finding the Fourth Proportional to 1,873,222,971.80, 2,808,745,335.73 and 708,781,268.30

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Solution

The fourth proportional to 1,873,222,971.80, 2,808,745,335.73 and 708,781,268.30 is: 1,062,759,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,222,971.80 : 2,808,745,335.73 = 708,781,268.30 : x
  2. Step 2: Convert to fraction form
    1,873,222,971.80/2,808,745,335.73 = 708,781,268.30/x
  3. Step 3: Cross multiply
    1,873,222,971.80x = 2,808,745,335.73 × 708,781,268.30
  4. Step 4: Simplify right side
    1,873,222,971.80x = 1,990,786,081,390,418,688
  5. Step 5: Solve for x
    x = 1,990,786,081,390,418,688/1,873,222,971.80
  6. Step 6: Final answer
    x = 1,062,759,805.62

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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.