Home / 682,179,723,172.80-1,021,645,176,582.60-394,731,994,172.34

Finding the Fourth Proportional to 682,179,723,172.80, 1,021,645,176,582.60 and 394,731,994,172.34

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Solution

The fourth proportional to 682,179,723,172.80, 1,021,645,176,582.60 and 394,731,994,172.34 is: 591,158,054,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,179,723,172.80 : 1,021,645,176,582.60 = 394,731,994,172.34 : x
  2. Step 2: Convert to fraction form
    682,179,723,172.80/1,021,645,176,582.60 = 394,731,994,172.34/x
  3. Step 3: Cross multiply
    682,179,723,172.80x = 1,021,645,176,582.60 × 394,731,994,172.34
  4. Step 4: Simplify right side
    682,179,723,172.80x = 403,276,037,889,002,154,491,904
  5. Step 5: Solve for x
    x = 403,276,037,889,002,154,491,904/682,179,723,172.80
  6. Step 6: Final answer
    x = 591,158,054,381.00

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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.