Home / 397,162,455.40-595,743,683.10-193,089,111.40

Finding the Fourth Proportional to 397,162,455.40, 595,743,683.10 and 193,089,111.40

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Solution

The fourth proportional to 397,162,455.40, 595,743,683.10 and 193,089,111.40 is: 289,633,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,162,455.40 : 595,743,683.10 = 193,089,111.40 : x
  2. Step 2: Convert to fraction form
    397,162,455.40/595,743,683.10 = 193,089,111.40/x
  3. Step 3: Cross multiply
    397,162,455.40x = 595,743,683.10 × 193,089,111.40
  4. Step 4: Simplify right side
    397,162,455.40x = 115,031,618,391,942,208
  5. Step 5: Solve for x
    x = 115,031,618,391,942,208/397,162,455.40
  6. Step 6: Final answer
    x = 289,633,667.10

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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.