Home / 3,989,088,001.95-5,983,632,002.93-1,917,743,560.35

Finding the Fourth Proportional to 3,989,088,001.95, 5,983,632,002.93 and 1,917,743,560.35

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Solution

The fourth proportional to 3,989,088,001.95, 5,983,632,002.93 and 1,917,743,560.35 is: 2,876,615,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,001.95 : 5,983,632,002.93 = 1,917,743,560.35 : x
  2. Step 2: Convert to fraction form
    3,989,088,001.95/5,983,632,002.93 = 1,917,743,560.35/x
  3. Step 3: Cross multiply
    3,989,088,001.95x = 5,983,632,002.93 × 1,917,743,560.35
  4. Step 4: Simplify right side
    3,989,088,001.95x = 11,475,071,741,113,591,808
  5. Step 5: Solve for x
    x = 11,475,071,741,113,591,808/3,989,088,001.95
  6. Step 6: Final answer
    x = 2,876,615,340.53

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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.