Home / 279,257,383,739.64-418,944,905,763.66-90,588,547,604.28

Finding the Fourth Proportional to 279,257,383,739.64, 418,944,905,763.66 and 90,588,547,604.28

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Solution

The fourth proportional to 279,257,383,739.64, 418,944,905,763.66 and 90,588,547,604.28 is: 135,901,905,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,257,383,739.64 : 418,944,905,763.66 = 90,588,547,604.28 : x
  2. Step 2: Convert to fraction form
    279,257,383,739.64/418,944,905,763.66 = 90,588,547,604.28/x
  3. Step 3: Cross multiply
    279,257,383,739.64x = 418,944,905,763.66 × 90,588,547,604.28
  4. Step 4: Simplify right side
    279,257,383,739.64x = 37,951,610,539,341,909,065,728
  5. Step 5: Solve for x
    x = 37,951,610,539,341,909,065,728/279,257,383,739.64
  6. Step 6: Final answer
    x = 135,901,905,371.73

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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.