Home / 517,512,290,110.20-776,284,249,546.74-177,546,699,392.72

Finding the Fourth Proportional to 517,512,290,110.20, 776,284,249,546.74 and 177,546,699,392.72

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Solution

The fourth proportional to 517,512,290,110.20, 776,284,249,546.74 and 177,546,699,392.72 is: 266,325,474,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512,290,110.20 : 776,284,249,546.74 = 177,546,699,392.72 : x
  2. Step 2: Convert to fraction form
    517,512,290,110.20/776,284,249,546.74 = 177,546,699,392.72/x
  3. Step 3: Cross multiply
    517,512,290,110.20x = 776,284,249,546.74 × 177,546,699,392.72
  4. Step 4: Simplify right side
    517,512,290,110.20x = 137,826,706,297,578,290,413,568
  5. Step 5: Solve for x
    x = 137,826,706,297,578,290,413,568/517,512,290,110.20
  6. Step 6: Final answer
    x = 266,325,474,643.76

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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.