Home / 1,245,458,317,224.20-1,867,998,715,505.40-338,966,764,528.68

Finding the Fourth Proportional to 1,245,458,317,224.20, 1,867,998,715,505.40 and 338,966,764,528.68

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Solution

The fourth proportional to 1,245,458,317,224.20, 1,867,998,715,505.40 and 338,966,764,528.68 is: 508,398,773,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,458,317,224.20 : 1,867,998,715,505.40 = 338,966,764,528.68 : x
  2. Step 2: Convert to fraction form
    1,245,458,317,224.20/1,867,998,715,505.40 = 338,966,764,528.68/x
  3. Step 3: Cross multiply
    1,245,458,317,224.20x = 1,867,998,715,505.40 × 338,966,764,528.68
  4. Step 4: Simplify right side
    1,245,458,317,224.20x = 633,189,480,738,595,549,478,912
  5. Step 5: Solve for x
    x = 633,189,480,738,595,549,478,912/1,245,458,317,224.20
  6. Step 6: Final answer
    x = 508,398,773,352.62

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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.