Home / 285,130,557.30-393,657,882.95-195,976,015.14

Finding the Fourth Proportional to 285,130,557.30, 393,657,882.95 and 195,976,015.14

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Solution

The fourth proportional to 285,130,557.30, 393,657,882.95 and 195,976,015.14 is: 270,569,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,557.30 : 393,657,882.95 = 195,976,015.14 : x
  2. Step 2: Convert to fraction form
    285,130,557.30/393,657,882.95 = 195,976,015.14/x
  3. Step 3: Cross multiply
    285,130,557.30x = 393,657,882.95 × 195,976,015.14
  4. Step 4: Simplify right side
    285,130,557.30x = 77,147,503,228,989,536
  5. Step 5: Solve for x
    x = 77,147,503,228,989,536/285,130,557.30
  6. Step 6: Final answer
    x = 270,569,047.24

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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.