Home / 352,108,312.90-528,560,600.55-208,582,015.30

Finding the Fourth Proportional to 352,108,312.90, 528,560,600.55 and 208,582,015.30

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Solution

The fourth proportional to 352,108,312.90, 528,560,600.55 and 208,582,015.30 is: 313,108,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,108,312.90 : 528,560,600.55 = 208,582,015.30 : x
  2. Step 2: Convert to fraction form
    352,108,312.90/528,560,600.55 = 208,582,015.30/x
  3. Step 3: Cross multiply
    352,108,312.90x = 528,560,600.55 × 208,582,015.30
  4. Step 4: Simplify right side
    352,108,312.90x = 110,248,235,270,897,296
  5. Step 5: Solve for x
    x = 110,248,235,270,897,296/352,108,312.90
  6. Step 6: Final answer
    x = 313,108,868.02

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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.