Home / 352,512,048.40-528,768,072.60-328,624,176.40

Finding the Fourth Proportional to 352,512,048.40, 528,768,072.60 and 328,624,176.40

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Solution

The fourth proportional to 352,512,048.40, 528,768,072.60 and 328,624,176.40 is: 492,936,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,048.40 : 528,768,072.60 = 328,624,176.40 : x
  2. Step 2: Convert to fraction form
    352,512,048.40/528,768,072.60 = 328,624,176.40/x
  3. Step 3: Cross multiply
    352,512,048.40x = 528,768,072.60 × 328,624,176.40
  4. Step 4: Simplify right side
    352,512,048.40x = 173,765,972,364,790,400
  5. Step 5: Solve for x
    x = 173,765,972,364,790,400/352,512,048.40
  6. Step 6: Final answer
    x = 492,936,264.60

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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.