Home / 811,361,054,988.16-1,217,277,132,701.60-327,065,344,333.36

Finding the Fourth Proportional to 811,361,054,988.16, 1,217,277,132,701.60 and 327,065,344,333.36

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Solution

The fourth proportional to 811,361,054,988.16, 1,217,277,132,701.60 and 327,065,344,333.36 is: 490,692,968,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,361,054,988.16 : 1,217,277,132,701.60 = 327,065,344,333.36 : x
  2. Step 2: Convert to fraction form
    811,361,054,988.16/1,217,277,132,701.60 = 327,065,344,333.36/x
  3. Step 3: Cross multiply
    811,361,054,988.16x = 1,217,277,132,701.60 × 327,065,344,333.36
  4. Step 4: Simplify right side
    811,361,054,988.16x = 398,129,164,556,173,949,534,208
  5. Step 5: Solve for x
    x = 398,129,164,556,173,949,534,208/811,361,054,988.16
  6. Step 6: Final answer
    x = 490,692,968,449.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.