Home / 454,800,643.88-627,626,779.90-245,956,786.54

Finding the Fourth Proportional to 454,800,643.88, 627,626,779.90 and 245,956,786.54

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Solution

The fourth proportional to 454,800,643.88, 627,626,779.90 and 245,956,786.54 is: 339,421,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,800,643.88 : 627,626,779.90 = 245,956,786.54 : x
  2. Step 2: Convert to fraction form
    454,800,643.88/627,626,779.90 = 245,956,786.54/x
  3. Step 3: Cross multiply
    454,800,643.88x = 627,626,779.90 × 245,956,786.54
  4. Step 4: Simplify right side
    454,800,643.88x = 154,369,065,928,467,904
  5. Step 5: Solve for x
    x = 154,369,065,928,467,904/454,800,643.88
  6. Step 6: Final answer
    x = 339,421,388.26

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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.