Home / 862,274,735.60-1,293,412,103.40-316,945,410.80

Finding the Fourth Proportional to 862,274,735.60, 1,293,412,103.40 and 316,945,410.80

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Solution

The fourth proportional to 862,274,735.60, 1,293,412,103.40 and 316,945,410.80 is: 475,418,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,274,735.60 : 1,293,412,103.40 = 316,945,410.80 : x
  2. Step 2: Convert to fraction form
    862,274,735.60/1,293,412,103.40 = 316,945,410.80/x
  3. Step 3: Cross multiply
    862,274,735.60x = 1,293,412,103.40 × 316,945,410.80
  4. Step 4: Simplify right side
    862,274,735.60x = 409,941,030,445,805,120
  5. Step 5: Solve for x
    x = 409,941,030,445,805,120/862,274,735.60
  6. Step 6: Final answer
    x = 475,418,116.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.