Home / 517,512,290,211.54-776,284,249,698.60-177,546,699,493.94

Finding the Fourth Proportional to 517,512,290,211.54, 776,284,249,698.60 and 177,546,699,493.94

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Solution

The fourth proportional to 517,512,290,211.54, 776,284,249,698.60 and 177,546,699,493.94 is: 266,325,474,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512,290,211.54 : 776,284,249,698.60 = 177,546,699,493.94 : x
  2. Step 2: Convert to fraction form
    517,512,290,211.54/776,284,249,698.60 = 177,546,699,493.94/x
  3. Step 3: Cross multiply
    517,512,290,211.54x = 776,284,249,698.60 × 177,546,699,493.94
  4. Step 4: Simplify right side
    517,512,290,211.54x = 137,826,706,403,116,021,972,992
  5. Step 5: Solve for x
    x = 137,826,706,403,116,021,972,992/517,512,290,211.54
  6. Step 6: Final answer
    x = 266,325,474,795.54

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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.