Home / 231,054,964,285.68-318,808,103,007.87-133,394,912,902.16

Finding the Fourth Proportional to 231,054,964,285.68, 318,808,103,007.87 and 133,394,912,902.16

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Solution

The fourth proportional to 231,054,964,285.68, 318,808,103,007.87 and 133,394,912,902.16 is: 184,057,413,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,054,964,285.68 : 318,808,103,007.87 = 133,394,912,902.16 : x
  2. Step 2: Convert to fraction form
    231,054,964,285.68/318,808,103,007.87 = 133,394,912,902.16/x
  3. Step 3: Cross multiply
    231,054,964,285.68x = 318,808,103,007.87 × 133,394,912,902.16
  4. Step 4: Simplify right side
    231,054,964,285.68x = 42,527,379,133,237,670,445,056
  5. Step 5: Solve for x
    x = 42,527,379,133,237,670,445,056/231,054,964,285.68
  6. Step 6: Final answer
    x = 184,057,413,631.92

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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.