Home / 517,568,641.21-776,211,556.62-185,513,760.03

Finding the Fourth Proportional to 517,568,641.21, 776,211,556.62 and 185,513,760.03

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Solution

The fourth proportional to 517,568,641.21, 776,211,556.62 and 185,513,760.03 is: 278,219,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,568,641.21 : 776,211,556.62 = 185,513,760.03 : x
  2. Step 2: Convert to fraction form
    517,568,641.21/776,211,556.62 = 185,513,760.03/x
  3. Step 3: Cross multiply
    517,568,641.21x = 776,211,556.62 × 185,513,760.03
  4. Step 4: Simplify right side
    517,568,641.21x = 143,997,924,450,921,904
  5. Step 5: Solve for x
    x = 143,997,924,450,921,904/517,568,641.21
  6. Step 6: Final answer
    x = 278,219,955.74

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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.