Home / 352,560,379.20-528,840,568.80-214,607,918.40

Finding the Fourth Proportional to 352,560,379.20, 528,840,568.80 and 214,607,918.40

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Solution

The fourth proportional to 352,560,379.20, 528,840,568.80 and 214,607,918.40 is: 321,911,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,560,379.20 : 528,840,568.80 = 214,607,918.40 : x
  2. Step 2: Convert to fraction form
    352,560,379.20/528,840,568.80 = 214,607,918.40/x
  3. Step 3: Cross multiply
    352,560,379.20x = 528,840,568.80 × 214,607,918.40
  4. Step 4: Simplify right side
    352,560,379.20x = 113,493,373,635,639,984
  5. Step 5: Solve for x
    x = 113,493,373,635,639,984/352,560,379.20
  6. Step 6: Final answer
    x = 321,911,877.60

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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.