Home / 738,122,954.40-1,106,428,604.40-431,257,111.20

Finding the Fourth Proportional to 738,122,954.40, 1,106,428,604.40 and 431,257,111.20

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Solution

The fourth proportional to 738,122,954.40, 1,106,428,604.40 and 431,257,111.20 is: 646,444,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,122,954.40 : 1,106,428,604.40 = 431,257,111.20 : x
  2. Step 2: Convert to fraction form
    738,122,954.40/1,106,428,604.40 = 431,257,111.20/x
  3. Step 3: Cross multiply
    738,122,954.40x = 1,106,428,604.40 × 431,257,111.20
  4. Step 4: Simplify right side
    738,122,954.40x = 477,155,203,682,591,616
  5. Step 5: Solve for x
    x = 477,155,203,682,591,616/738,122,954.40
  6. Step 6: Final answer
    x = 646,444,065.77

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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.