Home / 1,517,131,788,840.60-2,275,831,465,448.50-428,038,315,041.72

Finding the Fourth Proportional to 1,517,131,788,840.60, 2,275,831,465,448.50 and 428,038,315,041.72

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Solution

The fourth proportional to 1,517,131,788,840.60, 2,275,831,465,448.50 and 428,038,315,041.72 is: 642,095,217,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,840.60 : 2,275,831,465,448.50 = 428,038,315,041.72 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,840.60/2,275,831,465,448.50 = 428,038,315,041.72/x
  3. Step 3: Cross multiply
    1,517,131,788,840.60x = 2,275,831,465,448.50 × 428,038,315,041.72
  4. Step 4: Simplify right side
    1,517,131,788,840.60x = 974,143,065,789,504,310,738,944
  5. Step 5: Solve for x
    x = 974,143,065,789,504,310,738,944/1,517,131,788,840.60
  6. Step 6: Final answer
    x = 642,095,217,406.23

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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.