Home / 296,784,013.80-445,176,020.70-263,905,530.60

Finding the Fourth Proportional to 296,784,013.80, 445,176,020.70 and 263,905,530.60

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Solution

The fourth proportional to 296,784,013.80, 445,176,020.70 and 263,905,530.60 is: 395,858,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,784,013.80 : 445,176,020.70 = 263,905,530.60 : x
  2. Step 2: Convert to fraction form
    296,784,013.80/445,176,020.70 = 263,905,530.60/x
  3. Step 3: Cross multiply
    296,784,013.80x = 445,176,020.70 × 263,905,530.60
  4. Step 4: Simplify right side
    296,784,013.80x = 117,484,413,953,230,080
  5. Step 5: Solve for x
    x = 117,484,413,953,230,080/296,784,013.80
  6. Step 6: Final answer
    x = 395,858,295.90

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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.