Home / 1,400,290,980.20-1,932,511,708.56-797,487,091.64

Finding the Fourth Proportional to 1,400,290,980.20, 1,932,511,708.56 and 797,487,091.64

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Solution

The fourth proportional to 1,400,290,980.20, 1,932,511,708.56 and 797,487,091.64 is: 1,100,594,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,290,980.20 : 1,932,511,708.56 = 797,487,091.64 : x
  2. Step 2: Convert to fraction form
    1,400,290,980.20/1,932,511,708.56 = 797,487,091.64/x
  3. Step 3: Cross multiply
    1,400,290,980.20x = 1,932,511,708.56 × 797,487,091.64
  4. Step 4: Simplify right side
    1,400,290,980.20x = 1,541,153,142,019,761,664
  5. Step 5: Solve for x
    x = 1,541,153,142,019,761,664/1,400,290,980.20
  6. Step 6: Final answer
    x = 1,100,594,921.92

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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.