Home / 1,308,440,962.26-1,962,678,538.74-435,042,330.56

Finding the Fourth Proportional to 1,308,440,962.26, 1,962,678,538.74 and 435,042,330.56

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Solution

The fourth proportional to 1,308,440,962.26, 1,962,678,538.74 and 435,042,330.56 is: 652,569,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,962.26 : 1,962,678,538.74 = 435,042,330.56 : x
  2. Step 2: Convert to fraction form
    1,308,440,962.26/1,962,678,538.74 = 435,042,330.56/x
  3. Step 3: Cross multiply
    1,308,440,962.26x = 1,962,678,538.74 × 435,042,330.56
  4. Step 4: Simplify right side
    1,308,440,962.26x = 853,848,245,633,544,832
  5. Step 5: Solve for x
    x = 853,848,245,633,544,832/1,308,440,962.26
  6. Step 6: Final answer
    x = 652,569,179.86

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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.