Home / 1,108,782,919,572.40-1,660,310,015,497.80-765,243,976,886.55

Finding the Fourth Proportional to 1,108,782,919,572.40, 1,660,310,015,497.80 and 765,243,976,886.55

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Solution

The fourth proportional to 1,108,782,919,572.40, 1,660,310,015,497.80 and 765,243,976,886.55 is: 1,145,889,079,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,782,919,572.40 : 1,660,310,015,497.80 = 765,243,976,886.55 : x
  2. Step 2: Convert to fraction form
    1,108,782,919,572.40/1,660,310,015,497.80 = 765,243,976,886.55/x
  3. Step 3: Cross multiply
    1,108,782,919,572.40x = 1,660,310,015,497.80 × 765,243,976,886.55
  4. Step 4: Simplify right side
    1,108,782,919,572.40x = 1,270,542,239,124,106,153,820,160
  5. Step 5: Solve for x
    x = 1,270,542,239,124,106,153,820,160/1,108,782,919,572.40
  6. Step 6: Final answer
    x = 1,145,889,079,545.06

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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.