Home / 711,922,293,508.75-982,536,989,596.40-422,891,694,823.62

Finding the Fourth Proportional to 711,922,293,508.75, 982,536,989,596.40 and 422,891,694,823.62

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Solution

The fourth proportional to 711,922,293,508.75, 982,536,989,596.40 and 422,891,694,823.62 is: 583,640,569,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,508.75 : 982,536,989,596.40 = 422,891,694,823.62 : x
  2. Step 2: Convert to fraction form
    711,922,293,508.75/982,536,989,596.40 = 422,891,694,823.62/x
  3. Step 3: Cross multiply
    711,922,293,508.75x = 982,536,989,596.40 × 422,891,694,823.62
  4. Step 4: Simplify right side
    711,922,293,508.75x = 415,506,732,757,319,090,700,288
  5. Step 5: Solve for x
    x = 415,506,732,757,319,090,700,288/711,922,293,508.75
  6. Step 6: Final answer
    x = 583,640,569,407.47

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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.