Home / 490,665,372.84-736,004,470.08-163,140,885.96

Finding the Fourth Proportional to 490,665,372.84, 736,004,470.08 and 163,140,885.96

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Solution

The fourth proportional to 490,665,372.84, 736,004,470.08 and 163,140,885.96 is: 244,713,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,372.84 : 736,004,470.08 = 163,140,885.96 : x
  2. Step 2: Convert to fraction form
    490,665,372.84/736,004,470.08 = 163,140,885.96/x
  3. Step 3: Cross multiply
    490,665,372.84x = 736,004,470.08 × 163,140,885.96
  4. Step 4: Simplify right side
    490,665,372.84x = 120,072,421,319,371,520
  5. Step 5: Solve for x
    x = 120,072,421,319,371,520/490,665,372.84
  6. Step 6: Final answer
    x = 244,713,460.47

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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.