Home / 1,938,846,255.21-2,908,677,958.20-628,646,141.97

Finding the Fourth Proportional to 1,938,846,255.21, 2,908,677,958.20 and 628,646,141.97

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Solution

The fourth proportional to 1,938,846,255.21, 2,908,677,958.20 and 628,646,141.97 is: 943,101,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,846,255.21 : 2,908,677,958.20 = 628,646,141.97 : x
  2. Step 2: Convert to fraction form
    1,938,846,255.21/2,908,677,958.20 = 628,646,141.97/x
  3. Step 3: Cross multiply
    1,938,846,255.21x = 2,908,677,958.20 × 628,646,141.97
  4. Step 4: Simplify right side
    1,938,846,255.21x = 1,828,529,176,655,606,784
  5. Step 5: Solve for x
    x = 1,828,529,176,655,606,784/1,938,846,255.21
  6. Step 6: Final answer
    x = 943,101,688.31

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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.