Home / 353,639,173.77-484,487,396.78-340,384,861.49

Finding the Fourth Proportional to 353,639,173.77, 484,487,396.78 and 340,384,861.49

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Solution

The fourth proportional to 353,639,173.77, 484,487,396.78 and 340,384,861.49 is: 466,328,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,639,173.77 : 484,487,396.78 = 340,384,861.49 : x
  2. Step 2: Convert to fraction form
    353,639,173.77/484,487,396.78 = 340,384,861.49/x
  3. Step 3: Cross multiply
    353,639,173.77x = 484,487,396.78 × 340,384,861.49
  4. Step 4: Simplify right side
    353,639,173.77x = 164,912,175,442,486,624
  5. Step 5: Solve for x
    x = 164,912,175,442,486,624/353,639,173.77
  6. Step 6: Final answer
    x = 466,328,924.15

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.