Home / 422,597,097.70-583,096,664.79-243,977,890.79

Finding the Fourth Proportional to 422,597,097.70, 583,096,664.79 and 243,977,890.79

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Solution

The fourth proportional to 422,597,097.70, 583,096,664.79 and 243,977,890.79 is: 336,639,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597,097.70 : 583,096,664.79 = 243,977,890.79 : x
  2. Step 2: Convert to fraction form
    422,597,097.70/583,096,664.79 = 243,977,890.79/x
  3. Step 3: Cross multiply
    422,597,097.70x = 583,096,664.79 × 243,977,890.79
  4. Step 4: Simplify right side
    422,597,097.70x = 142,262,694,402,147,840
  5. Step 5: Solve for x
    x = 142,262,694,402,147,840/422,597,097.70
  6. Step 6: Final answer
    x = 336,639,071.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.