Home / 2,018,846,010.40-3,028,552,450.80-638,516,586.40

Finding the Fourth Proportional to 2,018,846,010.40, 3,028,552,450.80 and 638,516,586.40

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Solution

The fourth proportional to 2,018,846,010.40, 3,028,552,450.80 and 638,516,586.40 is: 957,864,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,846,010.40 : 3,028,552,450.80 = 638,516,586.40 : x
  2. Step 2: Convert to fraction form
    2,018,846,010.40/3,028,552,450.80 = 638,516,586.40/x
  3. Step 3: Cross multiply
    2,018,846,010.40x = 3,028,552,450.80 × 638,516,586.40
  4. Step 4: Simplify right side
    2,018,846,010.40x = 1,933,780,972,618,170,112
  5. Step 5: Solve for x
    x = 1,933,780,972,618,170,112/2,018,846,010.40
  6. Step 6: Final answer
    x = 957,864,523.92

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1.5x scale

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.