Home / 419,905,232.10-629,857,848.15-147,275,999.10

Finding the Fourth Proportional to 419,905,232.10, 629,857,848.15 and 147,275,999.10

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Solution

The fourth proportional to 419,905,232.10, 629,857,848.15 and 147,275,999.10 is: 220,913,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,232.10 : 629,857,848.15 = 147,275,999.10 : x
  2. Step 2: Convert to fraction form
    419,905,232.10/629,857,848.15 = 147,275,999.10/x
  3. Step 3: Cross multiply
    419,905,232.10x = 629,857,848.15 × 147,275,999.10
  4. Step 4: Simplify right side
    419,905,232.10x = 92,762,943,877,267,328
  5. Step 5: Solve for x
    x = 92,762,943,877,267,328/419,905,232.10
  6. Step 6: Final answer
    x = 220,913,998.65

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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.