Home / 413,910,000.40-620,628,804.60-155,133,662.80

Finding the Fourth Proportional to 413,910,000.40, 620,628,804.60 and 155,133,662.80

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Solution

The fourth proportional to 413,910,000.40, 620,628,804.60 and 155,133,662.80 is: 232,611,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,910,000.40 : 620,628,804.60 = 155,133,662.80 : x
  2. Step 2: Convert to fraction form
    413,910,000.40/620,628,804.60 = 155,133,662.80/x
  3. Step 3: Cross multiply
    413,910,000.40x = 620,628,804.60 × 155,133,662.80
  4. Step 4: Simplify right side
    413,910,000.40x = 96,280,419,696,783,504
  5. Step 5: Solve for x
    x = 96,280,419,696,783,504/413,910,000.40
  6. Step 6: Final answer
    x = 232,611,967.83

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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.