Home / 809,190,020.40-1,213,785,030.60-809,190,020.40

Finding the Fourth Proportional to 809,190,020.40, 1,213,785,030.60 and 809,190,020.40

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Solution

The fourth proportional to 809,190,020.40, 1,213,785,030.60 and 809,190,020.40 is: 1,213,785,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,190,020.40 : 1,213,785,030.60 = 809,190,020.40 : x
  2. Step 2: Convert to fraction form
    809,190,020.40/1,213,785,030.60 = 809,190,020.40/x
  3. Step 3: Cross multiply
    809,190,020.40x = 1,213,785,030.60 × 809,190,020.40
  4. Step 4: Simplify right side
    809,190,020.40x = 982,182,733,672,428,544
  5. Step 5: Solve for x
    x = 982,182,733,672,428,544/809,190,020.40
  6. Step 6: Final answer
    x = 1,213,785,030.60

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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.