Home / 1,164,920,906.51-1,747,387,892.04-388,564,435.92

Finding the Fourth Proportional to 1,164,920,906.51, 1,747,387,892.04 and 388,564,435.92

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Solution

The fourth proportional to 1,164,920,906.51, 1,747,387,892.04 and 388,564,435.92 is: 582,848,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,920,906.51 : 1,747,387,892.04 = 388,564,435.92 : x
  2. Step 2: Convert to fraction form
    1,164,920,906.51/1,747,387,892.04 = 388,564,435.92/x
  3. Step 3: Cross multiply
    1,164,920,906.51x = 1,747,387,892.04 × 388,564,435.92
  4. Step 4: Simplify right side
    1,164,920,906.51x = 678,972,790,603,960,448
  5. Step 5: Solve for x
    x = 678,972,790,603,960,448/1,164,920,906.51
  6. Step 6: Final answer
    x = 582,848,832.75

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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.