Home / 1,302,900,394,718.10-1,954,633,315,340.40-396,314,640,502.85

Finding the Fourth Proportional to 1,302,900,394,718.10, 1,954,633,315,340.40 and 396,314,640,502.85

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Solution

The fourth proportional to 1,302,900,394,718.10, 1,954,633,315,340.40 and 396,314,640,502.85 is: 594,557,959,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,900,394,718.10 : 1,954,633,315,340.40 = 396,314,640,502.85 : x
  2. Step 2: Convert to fraction form
    1,302,900,394,718.10/1,954,633,315,340.40 = 396,314,640,502.85/x
  3. Step 3: Cross multiply
    1,302,900,394,718.10x = 1,954,633,315,340.40 × 396,314,640,502.85
  4. Step 4: Simplify right side
    1,302,900,394,718.10x = 774,649,799,684,024,346,607,616
  5. Step 5: Solve for x
    x = 774,649,799,684,024,346,607,616/1,302,900,394,718.10
  6. Step 6: Final answer
    x = 594,557,959,168.96

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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.