Home / 811,361,054,987.16-1,217,277,132,700.10-327,065,344,332.36

Finding the Fourth Proportional to 811,361,054,987.16, 1,217,277,132,700.10 and 327,065,344,332.36

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Solution

The fourth proportional to 811,361,054,987.16, 1,217,277,132,700.10 and 327,065,344,332.36 is: 490,692,968,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,361,054,987.16 : 1,217,277,132,700.10 = 327,065,344,332.36 : x
  2. Step 2: Convert to fraction form
    811,361,054,987.16/1,217,277,132,700.10 = 327,065,344,332.36/x
  3. Step 3: Cross multiply
    811,361,054,987.16x = 1,217,277,132,700.10 × 327,065,344,332.36
  4. Step 4: Simplify right side
    811,361,054,987.16x = 398,129,164,554,466,096,054,272
  5. Step 5: Solve for x
    x = 398,129,164,554,466,096,054,272/811,361,054,987.16
  6. Step 6: Final answer
    x = 490,692,968,447.65

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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.