Home / 401,621,054.40-599,727,059.16-327,990,899.67

Finding the Fourth Proportional to 401,621,054.40, 599,727,059.16 and 327,990,899.67

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Solution

The fourth proportional to 401,621,054.40, 599,727,059.16 and 327,990,899.67 is: 489,777,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,621,054.40 : 599,727,059.16 = 327,990,899.67 : x
  2. Step 2: Convert to fraction form
    401,621,054.40/599,727,059.16 = 327,990,899.67/x
  3. Step 3: Cross multiply
    401,621,054.40x = 599,727,059.16 × 327,990,899.67
  4. Step 4: Simplify right side
    401,621,054.40x = 196,705,017,690,331,712
  5. Step 5: Solve for x
    x = 196,705,017,690,331,712/401,621,054.40
  6. Step 6: Final answer
    x = 489,777,653.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.