Home / 1,517,131,788,842.60-2,275,831,465,451.40-428,038,315,043.73

Finding the Fourth Proportional to 1,517,131,788,842.60, 2,275,831,465,451.40 and 428,038,315,043.73

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Solution

The fourth proportional to 1,517,131,788,842.60, 2,275,831,465,451.40 and 428,038,315,043.73 is: 642,095,217,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,842.60 : 2,275,831,465,451.40 = 428,038,315,043.73 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,842.60/2,275,831,465,451.40 = 428,038,315,043.73/x
  3. Step 3: Cross multiply
    1,517,131,788,842.60x = 2,275,831,465,451.40 × 428,038,315,043.73
  4. Step 4: Simplify right side
    1,517,131,788,842.60x = 974,143,065,795,319,964,893,184
  5. Step 5: Solve for x
    x = 974,143,065,795,319,964,893,184/1,517,131,788,842.60
  6. Step 6: Final answer
    x = 642,095,217,409.22

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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.