Home / 630,210,609.20-946,289,123.40-343,556,145.20

Finding the Fourth Proportional to 630,210,609.20, 946,289,123.40 and 343,556,145.20

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Solution

The fourth proportional to 630,210,609.20, 946,289,123.40 and 343,556,145.20 is: 515,864,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,210,609.20 : 946,289,123.40 = 343,556,145.20 : x
  2. Step 2: Convert to fraction form
    630,210,609.20/946,289,123.40 = 343,556,145.20/x
  3. Step 3: Cross multiply
    630,210,609.20x = 946,289,123.40 × 343,556,145.20
  4. Step 4: Simplify right side
    630,210,609.20x = 325,103,443,479,991,104
  5. Step 5: Solve for x
    x = 325,103,443,479,991,104/630,210,609.20
  6. Step 6: Final answer
    x = 515,864,758.12

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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.