Home / 445,845,622.60-668,768,433.90-331,054,366.60

Finding the Fourth Proportional to 445,845,622.60, 668,768,433.90 and 331,054,366.60

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Solution

The fourth proportional to 445,845,622.60, 668,768,433.90 and 331,054,366.60 is: 496,581,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,845,622.60 : 668,768,433.90 = 331,054,366.60 : x
  2. Step 2: Convert to fraction form
    445,845,622.60/668,768,433.90 = 331,054,366.60/x
  3. Step 3: Cross multiply
    445,845,622.60x = 668,768,433.90 × 331,054,366.60
  4. Step 4: Simplify right side
    445,845,622.60x = 221,398,710,286,838,464
  5. Step 5: Solve for x
    x = 221,398,710,286,838,464/445,845,622.60
  6. Step 6: Final answer
    x = 496,581,549.90

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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.