Home / 1,517,131,788,866.60-2,275,831,465,487.40-428,038,315,067.73

Finding the Fourth Proportional to 1,517,131,788,866.60, 2,275,831,465,487.40 and 428,038,315,067.73

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Solution

The fourth proportional to 1,517,131,788,866.60, 2,275,831,465,487.40 and 428,038,315,067.73 is: 642,095,217,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,866.60 : 2,275,831,465,487.40 = 428,038,315,067.73 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,866.60/2,275,831,465,487.40 = 428,038,315,067.73/x
  3. Step 3: Cross multiply
    1,517,131,788,866.60x = 2,275,831,465,487.40 × 428,038,315,067.73
  4. Step 4: Simplify right side
    1,517,131,788,866.60x = 974,143,065,865,349,272,436,736
  5. Step 5: Solve for x
    x = 974,143,065,865,349,272,436,736/1,517,131,788,866.60
  6. Step 6: Final answer
    x = 642,095,217,445.22

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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.