Home / 319,783,336.64-479,602,489.37-144,790,849.03

Finding the Fourth Proportional to 319,783,336.64, 479,602,489.37 and 144,790,849.03

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Solution

The fourth proportional to 319,783,336.64, 479,602,489.37 and 144,790,849.03 is: 217,153,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,336.64 : 479,602,489.37 = 144,790,849.03 : x
  2. Step 2: Convert to fraction form
    319,783,336.64/479,602,489.37 = 144,790,849.03/x
  3. Step 3: Cross multiply
    319,783,336.64x = 479,602,489.37 × 144,790,849.03
  4. Step 4: Simplify right side
    319,783,336.64x = 69,442,051,632,783,848
  5. Step 5: Solve for x
    x = 69,442,051,632,783,848/319,783,336.64
  6. Step 6: Final answer
    x = 217,153,440.08

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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.