Home / 285,130,556.30-393,657,881.57-195,976,014.14

Finding the Fourth Proportional to 285,130,556.30, 393,657,881.57 and 195,976,014.14

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Solution

The fourth proportional to 285,130,556.30, 393,657,881.57 and 195,976,014.14 is: 270,569,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,556.30 : 393,657,881.57 = 195,976,014.14 : x
  2. Step 2: Convert to fraction form
    285,130,556.30/393,657,881.57 = 195,976,014.14/x
  3. Step 3: Cross multiply
    285,130,556.30x = 393,657,881.57 × 195,976,014.14
  4. Step 4: Simplify right side
    285,130,556.30x = 77,147,502,561,936,592
  5. Step 5: Solve for x
    x = 77,147,502,561,936,592/285,130,556.30
  6. Step 6: Final answer
    x = 270,569,045.86

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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.