Home / 1,202,541,025.41-1,803,369,106.40-415,394,378.37

Finding the Fourth Proportional to 1,202,541,025.41, 1,803,369,106.40 and 415,394,378.37

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Solution

The fourth proportional to 1,202,541,025.41, 1,803,369,106.40 and 415,394,378.37 is: 622,938,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,541,025.41 : 1,803,369,106.40 = 415,394,378.37 : x
  2. Step 2: Convert to fraction form
    1,202,541,025.41/1,803,369,106.40 = 415,394,378.37/x
  3. Step 3: Cross multiply
    1,202,541,025.41x = 1,803,369,106.40 × 415,394,378.37
  4. Step 4: Simplify right side
    1,202,541,025.41x = 749,109,388,922,613,376
  5. Step 5: Solve for x
    x = 749,109,388,922,613,376/1,202,541,025.41
  6. Step 6: Final answer
    x = 622,938,738.13

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1.5x scale

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.