Home / 604,017,538.72-905,438,706.79-288,801,653.57

Finding the Fourth Proportional to 604,017,538.72, 905,438,706.79 and 288,801,653.57

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Solution

The fourth proportional to 604,017,538.72, 905,438,706.79 and 288,801,653.57 is: 432,921,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,017,538.72 : 905,438,706.79 = 288,801,653.57 : x
  2. Step 2: Convert to fraction form
    604,017,538.72/905,438,706.79 = 288,801,653.57/x
  3. Step 3: Cross multiply
    604,017,538.72x = 905,438,706.79 × 288,801,653.57
  4. Step 4: Simplify right side
    604,017,538.72x = 261,492,195,728,467,808
  5. Step 5: Solve for x
    x = 261,492,195,728,467,808/604,017,538.72
  6. Step 6: Final answer
    x = 432,921,527.88

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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.