Home / 630,211,331.20-946,290,206.40-343,556,867.20

Finding the Fourth Proportional to 630,211,331.20, 946,290,206.40 and 343,556,867.20

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Solution

The fourth proportional to 630,211,331.20, 946,290,206.40 and 343,556,867.20 is: 515,865,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,211,331.20 : 946,290,206.40 = 343,556,867.20 : x
  2. Step 2: Convert to fraction form
    630,211,331.20/946,290,206.40 = 343,556,867.20/x
  3. Step 3: Cross multiply
    630,211,331.20x = 946,290,206.40 × 343,556,867.20
  4. Step 4: Simplify right side
    630,211,331.20x = 325,104,498,772,825,344
  5. Step 5: Solve for x
    x = 325,104,498,772,825,344/630,211,331.20
  6. Step 6: Final answer
    x = 515,865,841.63

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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.