Home / 285,130,552.55-393,657,876.38-195,976,010.39

Finding the Fourth Proportional to 285,130,552.55, 393,657,876.38 and 195,976,010.39

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Solution

The fourth proportional to 285,130,552.55, 393,657,876.38 and 195,976,010.39 is: 270,569,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,552.55 : 393,657,876.38 = 195,976,010.39 : x
  2. Step 2: Convert to fraction form
    285,130,552.55/393,657,876.38 = 195,976,010.39/x
  3. Step 3: Cross multiply
    285,130,552.55x = 393,657,876.38 × 195,976,010.39
  4. Step 4: Simplify right side
    285,130,552.55x = 77,147,500,070,073,856
  5. Step 5: Solve for x
    x = 77,147,500,070,073,856/285,130,552.55
  6. Step 6: Final answer
    x = 270,569,040.68

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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.