Home / 1,108,782,919,566.90-1,660,310,015,489.50-765,243,976,881.05

Finding the Fourth Proportional to 1,108,782,919,566.90, 1,660,310,015,489.50 and 765,243,976,881.05

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Solution

The fourth proportional to 1,108,782,919,566.90, 1,660,310,015,489.50 and 765,243,976,881.05 is: 1,145,889,079,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,782,919,566.90 : 1,660,310,015,489.50 = 765,243,976,881.05 : x
  2. Step 2: Convert to fraction form
    1,108,782,919,566.90/1,660,310,015,489.50 = 765,243,976,881.05/x
  3. Step 3: Cross multiply
    1,108,782,919,566.90x = 1,660,310,015,489.50 × 765,243,976,881.05
  4. Step 4: Simplify right side
    1,108,782,919,566.90x = 1,270,542,239,108,622,796,718,080
  5. Step 5: Solve for x
    x = 1,270,542,239,108,622,796,718,080/1,108,782,919,566.90
  6. Step 6: Final answer
    x = 1,145,889,079,536.78

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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.