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Finding the Fourth Proportional to 445,932,002.70, 668,898,004.05 and 445,932,002.70

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Solution

The fourth proportional to 445,932,002.70, 668,898,004.05 and 445,932,002.70 is: 668,898,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,932,002.70 : 668,898,004.05 = 445,932,002.70 : x
  2. Step 2: Convert to fraction form
    445,932,002.70/668,898,004.05 = 445,932,002.70/x
  3. Step 3: Cross multiply
    445,932,002.70x = 668,898,004.05 × 445,932,002.70
  4. Step 4: Simplify right side
    445,932,002.70x = 298,283,026,548,049,152
  5. Step 5: Solve for x
    x = 298,283,026,548,049,152/445,932,002.70
  6. Step 6: Final answer
    x = 668,898,004.05

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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.