Home / 862,848,000.80-1,294,272,001.20-317,476,685.60

Finding the Fourth Proportional to 862,848,000.80, 1,294,272,001.20 and 317,476,685.60

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Solution

The fourth proportional to 862,848,000.80, 1,294,272,001.20 and 317,476,685.60 is: 476,215,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,848,000.80 : 1,294,272,001.20 = 317,476,685.60 : x
  2. Step 2: Convert to fraction form
    862,848,000.80/1,294,272,001.20 = 317,476,685.60/x
  3. Step 3: Cross multiply
    862,848,000.80x = 1,294,272,001.20 × 317,476,685.60
  4. Step 4: Simplify right side
    862,848,000.80x = 410,901,185,205,855,296
  5. Step 5: Solve for x
    x = 410,901,185,205,855,296/862,848,000.80
  6. Step 6: Final answer
    x = 476,215,028.40

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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.