Home / 2,642,821,929.74-3,955,610,150.94-1,943,128,546.22

Finding the Fourth Proportional to 2,642,821,929.74, 3,955,610,150.94 and 1,943,128,546.22

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Solution

The fourth proportional to 2,642,821,929.74, 3,955,610,150.94 and 1,943,128,546.22 is: 2,908,352,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,821,929.74 : 3,955,610,150.94 = 1,943,128,546.22 : x
  2. Step 2: Convert to fraction form
    2,642,821,929.74/3,955,610,150.94 = 1,943,128,546.22/x
  3. Step 3: Cross multiply
    2,642,821,929.74x = 3,955,610,150.94 × 1,943,128,546.22
  4. Step 4: Simplify right side
    2,642,821,929.74x = 7,686,259,002,009,117,696
  5. Step 5: Solve for x
    x = 7,686,259,002,009,117,696/2,642,821,929.74
  6. Step 6: Final answer
    x = 2,908,352,967.53

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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.