Home / 585,341,233.14-807,821,986.05-321,074,301.92

Finding the Fourth Proportional to 585,341,233.14, 807,821,986.05 and 321,074,301.92

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Solution

The fourth proportional to 585,341,233.14, 807,821,986.05 and 321,074,301.92 is: 443,110,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,341,233.14 : 807,821,986.05 = 321,074,301.92 : x
  2. Step 2: Convert to fraction form
    585,341,233.14/807,821,986.05 = 321,074,301.92/x
  3. Step 3: Cross multiply
    585,341,233.14x = 807,821,986.05 × 321,074,301.92
  4. Step 4: Simplify right side
    585,341,233.14x = 259,370,880,242,592,608
  5. Step 5: Solve for x
    x = 259,370,880,242,592,608/585,341,233.14
  6. Step 6: Final answer
    x = 443,110,557.66

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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.