Home / 711,922,293,502.54-982,536,989,587.68-422,891,694,817.38

Finding the Fourth Proportional to 711,922,293,502.54, 982,536,989,587.68 and 422,891,694,817.38

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Solution

The fourth proportional to 711,922,293,502.54, 982,536,989,587.68 and 422,891,694,817.38 is: 583,640,569,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,502.54 : 982,536,989,587.68 = 422,891,694,817.38 : x
  2. Step 2: Convert to fraction form
    711,922,293,502.54/982,536,989,587.68 = 422,891,694,817.38/x
  3. Step 3: Cross multiply
    711,922,293,502.54x = 982,536,989,587.68 × 422,891,694,817.38
  4. Step 4: Simplify right side
    711,922,293,502.54x = 415,506,732,747,500,459,917,312
  5. Step 5: Solve for x
    x = 415,506,732,747,500,459,917,312/711,922,293,502.54
  6. Step 6: Final answer
    x = 583,640,569,398.77

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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.