Home / 352,108,320.90-528,560,612.55-208,582,023.30

Finding the Fourth Proportional to 352,108,320.90, 528,560,612.55 and 208,582,023.30

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Solution

The fourth proportional to 352,108,320.90, 528,560,612.55 and 208,582,023.30 is: 313,108,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,108,320.90 : 528,560,612.55 = 208,582,023.30 : x
  2. Step 2: Convert to fraction form
    352,108,320.90/528,560,612.55 = 208,582,023.30/x
  3. Step 3: Cross multiply
    352,108,320.90x = 528,560,612.55 × 208,582,023.30
  4. Step 4: Simplify right side
    352,108,320.90x = 110,248,242,002,366,384
  5. Step 5: Solve for x
    x = 110,248,242,002,366,384/352,108,320.90
  6. Step 6: Final answer
    x = 313,108,880.02

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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.