Home / 454,806,821.70-682,210,232.55-163,683,441.90

Finding the Fourth Proportional to 454,806,821.70, 682,210,232.55 and 163,683,441.90

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Solution

The fourth proportional to 454,806,821.70, 682,210,232.55 and 163,683,441.90 is: 245,525,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,806,821.70 : 682,210,232.55 = 163,683,441.90 : x
  2. Step 2: Convert to fraction form
    454,806,821.70/682,210,232.55 = 163,683,441.90/x
  3. Step 3: Cross multiply
    454,806,821.70x = 682,210,232.55 × 163,683,441.90
  4. Step 4: Simplify right side
    454,806,821.70x = 111,666,518,963,183,408
  5. Step 5: Solve for x
    x = 111,666,518,963,183,408/454,806,821.70
  6. Step 6: Final answer
    x = 245,525,162.85

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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.