Home / 416,088,010.60-624,132,015.90-212,014,666.60

Finding the Fourth Proportional to 416,088,010.60, 624,132,015.90 and 212,014,666.60

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Solution

The fourth proportional to 416,088,010.60, 624,132,015.90 and 212,014,666.60 is: 318,021,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,088,010.60 : 624,132,015.90 = 212,014,666.60 : x
  2. Step 2: Convert to fraction form
    416,088,010.60/624,132,015.90 = 212,014,666.60/x
  3. Step 3: Cross multiply
    416,088,010.60x = 624,132,015.90 × 212,014,666.60
  4. Step 4: Simplify right side
    416,088,010.60x = 132,325,141,265,424,384
  5. Step 5: Solve for x
    x = 132,325,141,265,424,384/416,088,010.60
  6. Step 6: Final answer
    x = 318,021,999.90

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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.