Home / 711,922,293,577.74-982,536,989,691.84-422,891,694,892.62

Finding the Fourth Proportional to 711,922,293,577.74, 982,536,989,691.84 and 422,891,694,892.62

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Solution

The fourth proportional to 711,922,293,577.74, 982,536,989,691.84 and 422,891,694,892.62 is: 583,640,569,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,577.74 : 982,536,989,691.84 = 422,891,694,892.62 : x
  2. Step 2: Convert to fraction form
    711,922,293,577.74/982,536,989,691.84 = 422,891,694,892.62/x
  3. Step 3: Cross multiply
    711,922,293,577.74x = 982,536,989,691.84 × 422,891,694,892.62
  4. Step 4: Simplify right side
    711,922,293,577.74x = 415,506,732,865,474,890,039,296
  5. Step 5: Solve for x
    x = 415,506,732,865,474,890,039,296/711,922,293,577.74
  6. Step 6: Final answer
    x = 583,640,569,502.83

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Double scale
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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.