Home / 621,992,695.10-932,992,530.48-207,468,378.45

Finding the Fourth Proportional to 621,992,695.10, 932,992,530.48 and 207,468,378.45

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Solution

The fourth proportional to 621,992,695.10, 932,992,530.48 and 207,468,378.45 is: 311,203,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,992,695.10 : 932,992,530.48 = 207,468,378.45 : x
  2. Step 2: Convert to fraction form
    621,992,695.10/932,992,530.48 = 207,468,378.45/x
  3. Step 3: Cross multiply
    621,992,695.10x = 932,992,530.48 × 207,468,378.45
  4. Step 4: Simplify right side
    621,992,695.10x = 193,566,447,404,647,808
  5. Step 5: Solve for x
    x = 193,566,447,404,647,808/621,992,695.10
  6. Step 6: Final answer
    x = 311,203,731.06

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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.