Home / 1,268,412,173,681.20-1,750,445,969,718.60-690,386,131,100.36

Finding the Fourth Proportional to 1,268,412,173,681.20, 1,750,445,969,718.60 and 690,386,131,100.36

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Solution

The fourth proportional to 1,268,412,173,681.20, 1,750,445,969,718.60 and 690,386,131,100.36 is: 952,753,092,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,412,173,681.20 : 1,750,445,969,718.60 = 690,386,131,100.36 : x
  2. Step 2: Convert to fraction form
    1,268,412,173,681.20/1,750,445,969,718.60 = 690,386,131,100.36/x
  3. Step 3: Cross multiply
    1,268,412,173,681.20x = 1,750,445,969,718.60 × 690,386,131,100.36
  4. Step 4: Simplify right side
    1,268,412,173,681.20x = 1,208,483,620,734,242,150,940,672
  5. Step 5: Solve for x
    x = 1,208,483,620,734,242,150,940,672/1,268,412,173,681.20
  6. Step 6: Final answer
    x = 952,753,092,259.41

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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.