Home / 1,268,547,180.38-1,750,573,629.62-711,618,270.02

Finding the Fourth Proportional to 1,268,547,180.38, 1,750,573,629.62 and 711,618,270.02

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Solution

The fourth proportional to 1,268,547,180.38, 1,750,573,629.62 and 711,618,270.02 is: 982,021,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,547,180.38 : 1,750,573,629.62 = 711,618,270.02 : x
  2. Step 2: Convert to fraction form
    1,268,547,180.38/1,750,573,629.62 = 711,618,270.02/x
  3. Step 3: Cross multiply
    1,268,547,180.38x = 1,750,573,629.62 × 711,618,270.02
  4. Step 4: Simplify right side
    1,268,547,180.38x = 1,245,740,177,852,816,640
  5. Step 5: Solve for x
    x = 1,245,740,177,852,816,640/1,268,547,180.38
  6. Step 6: Final answer
    x = 982,021,163.36

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Double scale
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1.5x scale

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.