Home / 1,268,574,971.55-1,750,645,407.36-711,669,976.04

Finding the Fourth Proportional to 1,268,574,971.55, 1,750,645,407.36 and 711,669,976.04

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Solution

The fourth proportional to 1,268,574,971.55, 1,750,645,407.36 and 711,669,976.04 is: 982,111,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,574,971.55 : 1,750,645,407.36 = 711,669,976.04 : x
  2. Step 2: Convert to fraction form
    1,268,574,971.55/1,750,645,407.36 = 711,669,976.04/x
  3. Step 3: Cross multiply
    1,268,574,971.55x = 1,750,645,407.36 × 711,669,976.04
  4. Step 4: Simplify right side
    1,268,574,971.55x = 1,245,881,775,107,563,264
  5. Step 5: Solve for x
    x = 1,245,881,775,107,563,264/1,268,574,971.55
  6. Step 6: Final answer
    x = 982,111,268.98

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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.