Home / 352,111,533.03-528,169,121.58-206,442,942.57

Finding the Fourth Proportional to 352,111,533.03, 528,169,121.58 and 206,442,942.57

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Solution

The fourth proportional to 352,111,533.03, 528,169,121.58 and 206,442,942.57 is: 309,665,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,111,533.03 : 528,169,121.58 = 206,442,942.57 : x
  2. Step 2: Convert to fraction form
    352,111,533.03/528,169,121.58 = 206,442,942.57/x
  3. Step 3: Cross multiply
    352,111,533.03x = 528,169,121.58 × 206,442,942.57
  4. Step 4: Simplify right side
    352,111,533.03x = 109,036,787,633,587,280
  5. Step 5: Solve for x
    x = 109,036,787,633,587,280/352,111,533.03
  6. Step 6: Final answer
    x = 309,665,482.11

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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.