Home / 807,178,202.37-1,113,905,912.67-435,900,200.94

Finding the Fourth Proportional to 807,178,202.37, 1,113,905,912.67 and 435,900,200.94

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Solution

The fourth proportional to 807,178,202.37, 1,113,905,912.67 and 435,900,200.94 is: 601,542,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178,202.37 : 1,113,905,912.67 = 435,900,200.94 : x
  2. Step 2: Convert to fraction form
    807,178,202.37/1,113,905,912.67 = 435,900,200.94/x
  3. Step 3: Cross multiply
    807,178,202.37x = 1,113,905,912.67 × 435,900,200.94
  4. Step 4: Simplify right side
    807,178,202.37x = 485,551,811,161,107,136
  5. Step 5: Solve for x
    x = 485,551,811,161,107,136/807,178,202.37
  6. Step 6: Final answer
    x = 601,542,273.73

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1.5x scale

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.