Home / 668,630,936.79-1,002,945,068.69-177,393,446.01

Finding the Fourth Proportional to 668,630,936.79, 1,002,945,068.69 and 177,393,446.01

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Solution

The fourth proportional to 668,630,936.79, 1,002,945,068.69 and 177,393,446.01 is: 266,089,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,630,936.79 : 1,002,945,068.69 = 177,393,446.01 : x
  2. Step 2: Convert to fraction form
    668,630,936.79/1,002,945,068.69 = 177,393,446.01/x
  3. Step 3: Cross multiply
    668,630,936.79x = 1,002,945,068.69 × 177,393,446.01
  4. Step 4: Simplify right side
    668,630,936.79x = 177,915,881,892,768,256
  5. Step 5: Solve for x
    x = 177,915,881,892,768,256/668,630,936.79
  6. Step 6: Final answer
    x = 266,089,814.43

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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.