Home / 1,245,458,317,225-1,867,998,715,506.60-338,966,764,529.43

Finding the Fourth Proportional to 1,245,458,317,225, 1,867,998,715,506.60 and 338,966,764,529.43

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Solution

The fourth proportional to 1,245,458,317,225, 1,867,998,715,506.60 and 338,966,764,529.43 is: 508,398,773,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,458,317,225 : 1,867,998,715,506.60 = 338,966,764,529.43 : x
  2. Step 2: Convert to fraction form
    1,245,458,317,225/1,867,998,715,506.60 = 338,966,764,529.43/x
  3. Step 3: Cross multiply
    1,245,458,317,225x = 1,867,998,715,506.60 × 338,966,764,529.43
  4. Step 4: Simplify right side
    1,245,458,317,225x = 633,189,480,740,403,462,275,072
  5. Step 5: Solve for x
    x = 633,189,480,740,403,462,275,072/1,245,458,317,225
  6. Step 6: Final answer
    x = 508,398,773,353.74

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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.