Home / 352,555,620.60-528,833,430.90-189,296,945.40

Finding the Fourth Proportional to 352,555,620.60, 528,833,430.90 and 189,296,945.40

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Solution

The fourth proportional to 352,555,620.60, 528,833,430.90 and 189,296,945.40 is: 283,945,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,555,620.60 : 528,833,430.90 = 189,296,945.40 : x
  2. Step 2: Convert to fraction form
    352,555,620.60/528,833,430.90 = 189,296,945.40/x
  3. Step 3: Cross multiply
    352,555,620.60x = 528,833,430.90 × 189,296,945.40
  4. Step 4: Simplify right side
    352,555,620.60x = 100,106,553,094,771,968
  5. Step 5: Solve for x
    x = 100,106,553,094,771,968/352,555,620.60
  6. Step 6: Final answer
    x = 283,945,418.10

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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.