Home / 347,728,051.80-521,592,077.70-321,451,392.60

Finding the Fourth Proportional to 347,728,051.80, 521,592,077.70 and 321,451,392.60

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Solution

The fourth proportional to 347,728,051.80, 521,592,077.70 and 321,451,392.60 is: 482,177,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728,051.80 : 521,592,077.70 = 321,451,392.60 : x
  2. Step 2: Convert to fraction form
    347,728,051.80/521,592,077.70 = 321,451,392.60/x
  3. Step 3: Cross multiply
    347,728,051.80x = 521,592,077.70 × 321,451,392.60
  4. Step 4: Simplify right side
    347,728,051.80x = 167,666,499,745,792,416
  5. Step 5: Solve for x
    x = 167,666,499,745,792,416/347,728,051.80
  6. Step 6: Final answer
    x = 482,177,088.90

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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.