Home / 431,483,000.76-647,685,086.58-185,960,803.32

Finding the Fourth Proportional to 431,483,000.76, 647,685,086.58 and 185,960,803.32

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Solution

The fourth proportional to 431,483,000.76, 647,685,086.58 and 185,960,803.32 is: 279,139,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,483,000.76 : 647,685,086.58 = 185,960,803.32 : x
  2. Step 2: Convert to fraction form
    431,483,000.76/647,685,086.58 = 185,960,803.32/x
  3. Step 3: Cross multiply
    431,483,000.76x = 647,685,086.58 × 185,960,803.32
  4. Step 4: Simplify right side
    431,483,000.76x = 120,444,038,998,800,560
  5. Step 5: Solve for x
    x = 120,444,038,998,800,560/431,483,000.76
  6. Step 6: Final answer
    x = 279,139,708.37

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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.