Home / 5,531,642,883.01-7,628,842,851.39-3,920,911,937.38

Finding the Fourth Proportional to 5,531,642,883.01, 7,628,842,851.39 and 3,920,911,937.38

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Solution

The fourth proportional to 5,531,642,883.01, 7,628,842,851.39 and 3,920,911,937.38 is: 5,407,438,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531,642,883.01 : 7,628,842,851.39 = 3,920,911,937.38 : x
  2. Step 2: Convert to fraction form
    5,531,642,883.01/7,628,842,851.39 = 3,920,911,937.38/x
  3. Step 3: Cross multiply
    5,531,642,883.01x = 7,628,842,851.39 × 3,920,911,937.38
  4. Step 4: Simplify right side
    5,531,642,883.01x = 29,912,021,004,392,058,880
  5. Step 5: Solve for x
    x = 29,912,021,004,392,058,880/5,531,642,883.01
  6. Step 6: Final answer
    x = 5,407,438,917.70

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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.