Home / 1,068,923,761.78-1,602,992,361.75-369,237,836.74

Finding the Fourth Proportional to 1,068,923,761.78, 1,602,992,361.75 and 369,237,836.74

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Solution

The fourth proportional to 1,068,923,761.78, 1,602,992,361.75 and 369,237,836.74 is: 553,720,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,923,761.78 : 1,602,992,361.75 = 369,237,836.74 : x
  2. Step 2: Convert to fraction form
    1,068,923,761.78/1,602,992,361.75 = 369,237,836.74/x
  3. Step 3: Cross multiply
    1,068,923,761.78x = 1,602,992,361.75 × 369,237,836.74
  4. Step 4: Simplify right side
    1,068,923,761.78x = 591,885,431,963,313,536
  5. Step 5: Solve for x
    x = 591,885,431,963,313,536/1,068,923,761.78
  6. Step 6: Final answer
    x = 553,720,904.27

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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.