Home / 431,569,467.30-647,354,200.95-395,856,632.10

Finding the Fourth Proportional to 431,569,467.30, 647,354,200.95 and 395,856,632.10

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Solution

The fourth proportional to 431,569,467.30, 647,354,200.95 and 395,856,632.10 is: 593,784,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,467.30 : 647,354,200.95 = 395,856,632.10 : x
  2. Step 2: Convert to fraction form
    431,569,467.30/647,354,200.95 = 395,856,632.10/x
  3. Step 3: Cross multiply
    431,569,467.30x = 647,354,200.95 × 395,856,632.10
  4. Step 4: Simplify right side
    431,569,467.30x = 256,259,453,763,853,664
  5. Step 5: Solve for x
    x = 256,259,453,763,853,664/431,569,467.30
  6. Step 6: Final answer
    x = 593,784,948.15

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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.