Home / 517,512,290,206.85-776,284,249,691.60-177,546,699,489.33

Finding the Fourth Proportional to 517,512,290,206.85, 776,284,249,691.60 and 177,546,699,489.33

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Solution

The fourth proportional to 517,512,290,206.85, 776,284,249,691.60 and 177,546,699,489.33 is: 266,325,474,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512,290,206.85 : 776,284,249,691.60 = 177,546,699,489.33 : x
  2. Step 2: Convert to fraction form
    517,512,290,206.85/776,284,249,691.60 = 177,546,699,489.33/x
  3. Step 3: Cross multiply
    517,512,290,206.85x = 776,284,249,691.60 × 177,546,699,489.33
  4. Step 4: Simplify right side
    517,512,290,206.85x = 137,826,706,398,294,501,752,832
  5. Step 5: Solve for x
    x = 137,826,706,398,294,501,752,832/517,512,290,206.85
  6. Step 6: Final answer
    x = 266,325,474,788.64

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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.