Home / 696,516,490.26-1,044,740,304.72-259,783,153.56

Finding the Fourth Proportional to 696,516,490.26, 1,044,740,304.72 and 259,783,153.56

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Solution

The fourth proportional to 696,516,490.26, 1,044,740,304.72 and 259,783,153.56 is: 389,661,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,516,490.26 : 1,044,740,304.72 = 259,783,153.56 : x
  2. Step 2: Convert to fraction form
    696,516,490.26/1,044,740,304.72 = 259,783,153.56/x
  3. Step 3: Cross multiply
    696,516,490.26x = 1,044,740,304.72 × 259,783,153.56
  4. Step 4: Simplify right side
    696,516,490.26x = 271,405,931,011,396,960
  5. Step 5: Solve for x
    x = 271,405,931,011,396,960/696,516,490.26
  6. Step 6: Final answer
    x = 389,661,888.57

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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.