Home / 711,922,293,582.80-982,536,989,698.82-422,891,694,897.66

Finding the Fourth Proportional to 711,922,293,582.80, 982,536,989,698.82 and 422,891,694,897.66

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Solution

The fourth proportional to 711,922,293,582.80, 982,536,989,698.82 and 422,891,694,897.66 is: 583,640,569,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,582.80 : 982,536,989,698.82 = 422,891,694,897.66 : x
  2. Step 2: Convert to fraction form
    711,922,293,582.80/982,536,989,698.82 = 422,891,694,897.66/x
  3. Step 3: Cross multiply
    711,922,293,582.80x = 982,536,989,698.82 × 422,891,694,897.66
  4. Step 4: Simplify right side
    711,922,293,582.80x = 415,506,732,873,378,636,496,896
  5. Step 5: Solve for x
    x = 415,506,732,873,378,636,496,896/711,922,293,582.80
  6. Step 6: Final answer
    x = 583,640,569,509.79

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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.