Home / 1,490,936,009.40-2,236,383,018.90-673,046,998.20

Finding the Fourth Proportional to 1,490,936,009.40, 2,236,383,018.90 and 673,046,998.20

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Solution

The fourth proportional to 1,490,936,009.40, 2,236,383,018.90 and 673,046,998.20 is: 1,009,561,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,936,009.40 : 2,236,383,018.90 = 673,046,998.20 : x
  2. Step 2: Convert to fraction form
    1,490,936,009.40/2,236,383,018.90 = 673,046,998.20/x
  3. Step 3: Cross multiply
    1,490,936,009.40x = 2,236,383,018.90 × 673,046,998.20
  4. Step 4: Simplify right side
    1,490,936,009.40x = 1,505,190,877,696,099,072
  5. Step 5: Solve for x
    x = 1,505,190,877,696,099,072/1,490,936,009.40
  6. Step 6: Final answer
    x = 1,009,561,019.52

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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.