Home / 1,983,586,131.81-2,975,809,626.63-603,364,767.48

Finding the Fourth Proportional to 1,983,586,131.81, 2,975,809,626.63 and 603,364,767.48

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Solution

The fourth proportional to 1,983,586,131.81, 2,975,809,626.63 and 603,364,767.48 is: 905,178,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,586,131.81 : 2,975,809,626.63 = 603,364,767.48 : x
  2. Step 2: Convert to fraction form
    1,983,586,131.81/2,975,809,626.63 = 603,364,767.48/x
  3. Step 3: Cross multiply
    1,983,586,131.81x = 2,975,809,626.63 × 603,364,767.48
  4. Step 4: Simplify right side
    1,983,586,131.81x = 1,795,498,683,436,355,584
  5. Step 5: Solve for x
    x = 1,795,498,683,436,355,584/1,983,586,131.81
  6. Step 6: Final answer
    x = 905,178,078.55

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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.