Home / 437,437,347.76-603,379,122.60-280,555,964.56

Finding the Fourth Proportional to 437,437,347.76, 603,379,122.60 and 280,555,964.56

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Solution

The fourth proportional to 437,437,347.76, 603,379,122.60 and 280,555,964.56 is: 386,984,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,437,347.76 : 603,379,122.60 = 280,555,964.56 : x
  2. Step 2: Convert to fraction form
    437,437,347.76/603,379,122.60 = 280,555,964.56/x
  3. Step 3: Cross multiply
    437,437,347.76x = 603,379,122.60 × 280,555,964.56
  4. Step 4: Simplify right side
    437,437,347.76x = 169,281,611,736,409,504
  5. Step 5: Solve for x
    x = 169,281,611,736,409,504/437,437,347.76
  6. Step 6: Final answer
    x = 386,984,816.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.