Home / 986,389,892.91-1,361,207,215.46-534,256,611.83

Finding the Fourth Proportional to 986,389,892.91, 1,361,207,215.46 and 534,256,611.83

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Solution

The fourth proportional to 986,389,892.91, 1,361,207,215.46 and 534,256,611.83 is: 737,268,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,389,892.91 : 1,361,207,215.46 = 534,256,611.83 : x
  2. Step 2: Convert to fraction form
    986,389,892.91/1,361,207,215.46 = 534,256,611.83/x
  3. Step 3: Cross multiply
    986,389,892.91x = 1,361,207,215.46 × 534,256,611.83
  4. Step 4: Simplify right side
    986,389,892.91x = 727,233,954,920,731,008
  5. Step 5: Solve for x
    x = 727,233,954,920,731,008/986,389,892.91
  6. Step 6: Final answer
    x = 737,268,254.82

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Double scale
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1.5x scale

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.