Home / 285,130,554.55-393,657,879.15-195,976,012.39

Finding the Fourth Proportional to 285,130,554.55, 393,657,879.15 and 195,976,012.39

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Solution

The fourth proportional to 285,130,554.55, 393,657,879.15 and 195,976,012.39 is: 270,569,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,554.55 : 393,657,879.15 = 195,976,012.39 : x
  2. Step 2: Convert to fraction form
    285,130,554.55/393,657,879.15 = 195,976,012.39/x
  3. Step 3: Cross multiply
    285,130,554.55x = 393,657,879.15 × 195,976,012.39
  4. Step 4: Simplify right side
    285,130,554.55x = 77,147,501,401,721,520
  5. Step 5: Solve for x
    x = 77,147,501,401,721,520/285,130,554.55
  6. Step 6: Final answer
    x = 270,569,043.45

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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.