Home / 454,911,013.80-682,366,520.70-163,823,063.40

Finding the Fourth Proportional to 454,911,013.80, 682,366,520.70 and 163,823,063.40

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Solution

The fourth proportional to 454,911,013.80, 682,366,520.70 and 163,823,063.40 is: 245,734,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,911,013.80 : 682,366,520.70 = 163,823,063.40 : x
  2. Step 2: Convert to fraction form
    454,911,013.80/682,366,520.70 = 163,823,063.40/x
  3. Step 3: Cross multiply
    454,911,013.80x = 682,366,520.70 × 163,823,063.40
  4. Step 4: Simplify right side
    454,911,013.80x = 111,787,373,782,673,520
  5. Step 5: Solve for x
    x = 111,787,373,782,673,520/454,911,013.80
  6. Step 6: Final answer
    x = 245,734,595.10

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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.