Home / 2,124,664,531.80-3,186,996,797.70-744,299,678.40

Finding the Fourth Proportional to 2,124,664,531.80, 3,186,996,797.70 and 744,299,678.40

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Solution

The fourth proportional to 2,124,664,531.80, 3,186,996,797.70 and 744,299,678.40 is: 1,116,449,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,664,531.80 : 3,186,996,797.70 = 744,299,678.40 : x
  2. Step 2: Convert to fraction form
    2,124,664,531.80/3,186,996,797.70 = 744,299,678.40/x
  3. Step 3: Cross multiply
    2,124,664,531.80x = 3,186,996,797.70 × 744,299,678.40
  4. Step 4: Simplify right side
    2,124,664,531.80x = 2,372,080,691,589,939,712
  5. Step 5: Solve for x
    x = 2,372,080,691,589,939,712/2,124,664,531.80
  6. Step 6: Final answer
    x = 1,116,449,517.60

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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.