Home / 890,609,676.60-1,336,435,458.30-372,996,640.20

Finding the Fourth Proportional to 890,609,676.60, 1,336,435,458.30 and 372,996,640.20

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Solution

The fourth proportional to 890,609,676.60, 1,336,435,458.30 and 372,996,640.20 is: 559,713,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,609,676.60 : 1,336,435,458.30 = 372,996,640.20 : x
  2. Step 2: Convert to fraction form
    890,609,676.60/1,336,435,458.30 = 372,996,640.20/x
  3. Step 3: Cross multiply
    890,609,676.60x = 1,336,435,458.30 × 372,996,640.20
  4. Step 4: Simplify right side
    890,609,676.60x = 498,485,935,790,047,168
  5. Step 5: Solve for x
    x = 498,485,935,790,047,168/890,609,676.60
  6. Step 6: Final answer
    x = 559,713,136.84

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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.