Home / 6,391,531,326.15-8,819,932,637.25-3,533,502,301.20

Finding the Fourth Proportional to 6,391,531,326.15, 8,819,932,637.25 and 3,533,502,301.20

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Solution

The fourth proportional to 6,391,531,326.15, 8,819,932,637.25 and 3,533,502,301.20 is: 4,876,022,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,531,326.15 : 8,819,932,637.25 = 3,533,502,301.20 : x
  2. Step 2: Convert to fraction form
    6,391,531,326.15/8,819,932,637.25 = 3,533,502,301.20/x
  3. Step 3: Cross multiply
    6,391,531,326.15x = 8,819,932,637.25 × 3,533,502,301.20
  4. Step 4: Simplify right side
    6,391,531,326.15x = 31,165,252,270,151,856,128
  5. Step 5: Solve for x
    x = 31,165,252,270,151,856,128/6,391,531,326.15
  6. Step 6: Final answer
    x = 4,876,022,768.23

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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.