Home / 1,517,131,788,840.90-2,275,831,465,448.90-428,038,315,041.97

Finding the Fourth Proportional to 1,517,131,788,840.90, 2,275,831,465,448.90 and 428,038,315,041.97

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Solution

The fourth proportional to 1,517,131,788,840.90, 2,275,831,465,448.90 and 428,038,315,041.97 is: 642,095,217,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,840.90 : 2,275,831,465,448.90 = 428,038,315,041.97 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,840.90/2,275,831,465,448.90 = 428,038,315,041.97/x
  3. Step 3: Cross multiply
    1,517,131,788,840.90x = 2,275,831,465,448.90 × 428,038,315,041.97
  4. Step 4: Simplify right side
    1,517,131,788,840.90x = 974,143,065,790,244,387,291,136
  5. Step 5: Solve for x
    x = 974,143,065,790,244,387,291,136/1,517,131,788,840.90
  6. Step 6: Final answer
    x = 642,095,217,406.59

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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.