Home / 630,211,324.20-946,290,195.90-343,556,860.20

Finding the Fourth Proportional to 630,211,324.20, 946,290,195.90 and 343,556,860.20

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Solution

The fourth proportional to 630,211,324.20, 946,290,195.90 and 343,556,860.20 is: 515,865,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,211,324.20 : 946,290,195.90 = 343,556,860.20 : x
  2. Step 2: Convert to fraction form
    630,211,324.20/946,290,195.90 = 343,556,860.20/x
  3. Step 3: Cross multiply
    630,211,324.20x = 946,290,195.90 × 343,556,860.20
  4. Step 4: Simplify right side
    630,211,324.20x = 325,104,488,541,446,912
  5. Step 5: Solve for x
    x = 325,104,488,541,446,912/630,211,324.20
  6. Step 6: Final answer
    x = 515,865,831.12

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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.