Home / 2,018,846,090.90-3,028,552,571.55-638,516,666.90

Finding the Fourth Proportional to 2,018,846,090.90, 3,028,552,571.55 and 638,516,666.90

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Solution

The fourth proportional to 2,018,846,090.90, 3,028,552,571.55 and 638,516,666.90 is: 957,864,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,846,090.90 : 3,028,552,571.55 = 638,516,666.90 : x
  2. Step 2: Convert to fraction form
    2,018,846,090.90/3,028,552,571.55 = 638,516,666.90/x
  3. Step 3: Cross multiply
    2,018,846,090.90x = 3,028,552,571.55 × 638,516,666.90
  4. Step 4: Simplify right side
    2,018,846,090.90x = 1,933,781,293,517,529,856
  5. Step 5: Solve for x
    x = 1,933,781,293,517,529,856/2,018,846,090.90
  6. Step 6: Final answer
    x = 957,864,644.68

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Double scale
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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.