Home / 207,380,776,133.60-311,071,164,200.40-199,254,122,079.20

Finding the Fourth Proportional to 207,380,776,133.60, 311,071,164,200.40 and 199,254,122,079.20

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Solution

The fourth proportional to 207,380,776,133.60, 311,071,164,200.40 and 199,254,122,079.20 is: 298,881,183,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,380,776,133.60 : 311,071,164,200.40 = 199,254,122,079.20 : x
  2. Step 2: Convert to fraction form
    207,380,776,133.60/311,071,164,200.40 = 199,254,122,079.20/x
  3. Step 3: Cross multiply
    207,380,776,133.60x = 311,071,164,200.40 × 199,254,122,079.20
  4. Step 4: Simplify right side
    207,380,776,133.60x = 61,982,211,726,905,375,195,136
  5. Step 5: Solve for x
    x = 61,982,211,726,905,375,195,136/207,380,776,133.60
  6. Step 6: Final answer
    x = 298,881,183,118.80

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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.