Home / 352,026,378.60-528,039,567.90-206,529,642.60

Finding the Fourth Proportional to 352,026,378.60, 528,039,567.90 and 206,529,642.60

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Solution

The fourth proportional to 352,026,378.60, 528,039,567.90 and 206,529,642.60 is: 309,794,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,026,378.60 : 528,039,567.90 = 206,529,642.60 : x
  2. Step 2: Convert to fraction form
    352,026,378.60/528,039,567.90 = 206,529,642.60/x
  3. Step 3: Cross multiply
    352,026,378.60x = 528,039,567.90 × 206,529,642.60
  4. Step 4: Simplify right side
    352,026,378.60x = 109,055,823,237,045,424
  5. Step 5: Solve for x
    x = 109,055,823,237,045,424/352,026,378.60
  6. Step 6: Final answer
    x = 309,794,463.90

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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.