Home / 456,480,993.31-629,890,626.53-255,548,870.42

Finding the Fourth Proportional to 456,480,993.31, 629,890,626.53 and 255,548,870.42

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Solution

The fourth proportional to 456,480,993.31, 629,890,626.53 and 255,548,870.42 is: 352,627,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,480,993.31 : 629,890,626.53 = 255,548,870.42 : x
  2. Step 2: Convert to fraction form
    456,480,993.31/629,890,626.53 = 255,548,870.42/x
  3. Step 3: Cross multiply
    456,480,993.31x = 629,890,626.53 × 255,548,870.42
  4. Step 4: Simplify right side
    456,480,993.31x = 160,967,838,093,460,384
  5. Step 5: Solve for x
    x = 160,967,838,093,460,384/456,480,993.31
  6. Step 6: Final answer
    x = 352,627,689.77

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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.