Home / 3,989,088,001.20-5,983,632,001.80-1,917,743,559.60

Finding the Fourth Proportional to 3,989,088,001.20, 5,983,632,001.80 and 1,917,743,559.60

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Solution

The fourth proportional to 3,989,088,001.20, 5,983,632,001.80 and 1,917,743,559.60 is: 2,876,615,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,001.20 : 5,983,632,001.80 = 1,917,743,559.60 : x
  2. Step 2: Convert to fraction form
    3,989,088,001.20/5,983,632,001.80 = 1,917,743,559.60/x
  3. Step 3: Cross multiply
    3,989,088,001.20x = 5,983,632,001.80 × 1,917,743,559.60
  4. Step 4: Simplify right side
    3,989,088,001.20x = 11,475,071,734,468,405,248
  5. Step 5: Solve for x
    x = 11,475,071,734,468,405,248/3,989,088,001.20
  6. Step 6: Final answer
    x = 2,876,615,339.40

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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.