Home / 545,354,496,771.20-817,515,767,121.60-321,936,007,529.60

Finding the Fourth Proportional to 545,354,496,771.20, 817,515,767,121.60 and 321,936,007,529.60

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Solution

The fourth proportional to 545,354,496,771.20, 817,515,767,121.60 and 321,936,007,529.60 is: 482,599,416,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,354,496,771.20 : 817,515,767,121.60 = 321,936,007,529.60 : x
  2. Step 2: Convert to fraction form
    545,354,496,771.20/817,515,767,121.60 = 321,936,007,529.60/x
  3. Step 3: Cross multiply
    545,354,496,771.20x = 817,515,767,121.60 × 321,936,007,529.60
  4. Step 4: Simplify right side
    545,354,496,771.20x = 263,187,762,159,626,095,689,728
  5. Step 5: Solve for x
    x = 263,187,762,159,626,095,689,728/545,354,496,771.20
  6. Step 6: Final answer
    x = 482,599,416,925.77

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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.