Home / 945,988,079.22-1,305,274,214.61-528,236,087.22

Finding the Fourth Proportional to 945,988,079.22, 1,305,274,214.61 and 528,236,087.22

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Solution

The fourth proportional to 945,988,079.22, 1,305,274,214.61 and 528,236,087.22 is: 728,860,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,988,079.22 : 1,305,274,214.61 = 528,236,087.22 : x
  2. Step 2: Convert to fraction form
    945,988,079.22/1,305,274,214.61 = 528,236,087.22/x
  3. Step 3: Cross multiply
    945,988,079.22x = 1,305,274,214.61 × 528,236,087.22
  4. Step 4: Simplify right side
    945,988,079.22x = 689,492,943,874,744,960
  5. Step 5: Solve for x
    x = 689,492,943,874,744,960/945,988,079.22
  6. Step 6: Final answer
    x = 728,860,076.59

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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.