Home / 490,665,362.85-736,004,455.03-163,140,875.96

Finding the Fourth Proportional to 490,665,362.85, 736,004,455.03 and 163,140,875.96

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Solution

The fourth proportional to 490,665,362.85, 736,004,455.03 and 163,140,875.96 is: 244,713,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,362.85 : 736,004,455.03 = 163,140,875.96 : x
  2. Step 2: Convert to fraction form
    490,665,362.85/736,004,455.03 = 163,140,875.96/x
  3. Step 3: Cross multiply
    490,665,362.85x = 736,004,455.03 × 163,140,875.96
  4. Step 4: Simplify right side
    490,665,362.85x = 120,072,411,504,056,624
  5. Step 5: Solve for x
    x = 120,072,411,504,056,624/490,665,362.85
  6. Step 6: Final answer
    x = 244,713,445.45

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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.