Home / 517,512,290,171.39-776,284,249,638.45-177,546,699,453.89

Finding the Fourth Proportional to 517,512,290,171.39, 776,284,249,638.45 and 177,546,699,453.89

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Solution

The fourth proportional to 517,512,290,171.39, 776,284,249,638.45 and 177,546,699,453.89 is: 266,325,474,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512,290,171.39 : 776,284,249,638.45 = 177,546,699,453.89 : x
  2. Step 2: Convert to fraction form
    517,512,290,171.39/776,284,249,638.45 = 177,546,699,453.89/x
  3. Step 3: Cross multiply
    517,512,290,171.39x = 776,284,249,638.45 × 177,546,699,453.89
  4. Step 4: Simplify right side
    517,512,290,171.39x = 137,826,706,361,346,408,054,784
  5. Step 5: Solve for x
    x = 137,826,706,361,346,408,054,784/517,512,290,171.39
  6. Step 6: Final answer
    x = 266,325,474,735.49

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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.