Home / 2,188,974,256.64-3,020,787,387.99-1,185,393,555.80

Finding the Fourth Proportional to 2,188,974,256.64, 3,020,787,387.99 and 1,185,393,555.80

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Solution

The fourth proportional to 2,188,974,256.64, 3,020,787,387.99 and 1,185,393,555.80 is: 1,635,844,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,974,256.64 : 3,020,787,387.99 = 1,185,393,555.80 : x
  2. Step 2: Convert to fraction form
    2,188,974,256.64/3,020,787,387.99 = 1,185,393,555.80/x
  3. Step 3: Cross multiply
    2,188,974,256.64x = 3,020,787,387.99 × 1,185,393,555.80
  4. Step 4: Simplify right side
    2,188,974,256.64x = 3,580,821,903,165,259,776
  5. Step 5: Solve for x
    x = 3,580,821,903,165,259,776/2,188,974,256.64
  6. Step 6: Final answer
    x = 1,635,844,684.93

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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.