Home / 352,026,381.60-528,039,572.40-206,529,645.60

Finding the Fourth Proportional to 352,026,381.60, 528,039,572.40 and 206,529,645.60

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Solution

The fourth proportional to 352,026,381.60, 528,039,572.40 and 206,529,645.60 is: 309,794,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,026,381.60 : 528,039,572.40 = 206,529,645.60 : x
  2. Step 2: Convert to fraction form
    352,026,381.60/528,039,572.40 = 206,529,645.60/x
  3. Step 3: Cross multiply
    352,026,381.60x = 528,039,572.40 × 206,529,645.60
  4. Step 4: Simplify right side
    352,026,381.60x = 109,055,825,750,547,536
  5. Step 5: Solve for x
    x = 109,055,825,750,547,536/352,026,381.60
  6. Step 6: Final answer
    x = 309,794,468.40

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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.