Home / 711,922,293,579.81-982,536,989,694.69-422,891,694,894.66

Finding the Fourth Proportional to 711,922,293,579.81, 982,536,989,694.69 and 422,891,694,894.66

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Solution

The fourth proportional to 711,922,293,579.81, 982,536,989,694.69 and 422,891,694,894.66 is: 583,640,569,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,579.81 : 982,536,989,694.69 = 422,891,694,894.66 : x
  2. Step 2: Convert to fraction form
    711,922,293,579.81/982,536,989,694.69 = 422,891,694,894.66/x
  3. Step 3: Cross multiply
    711,922,293,579.81x = 982,536,989,694.69 × 422,891,694,894.66
  4. Step 4: Simplify right side
    711,922,293,579.81x = 415,506,732,868,684,505,677,824
  5. Step 5: Solve for x
    x = 415,506,732,868,684,505,677,824/711,922,293,579.81
  6. Step 6: Final answer
    x = 583,640,569,505.64

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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.