Home / 297,300,801.60-445,951,202.40-193,988,671.20

Finding the Fourth Proportional to 297,300,801.60, 445,951,202.40 and 193,988,671.20

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Solution

The fourth proportional to 297,300,801.60, 445,951,202.40 and 193,988,671.20 is: 290,983,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300,801.60 : 445,951,202.40 = 193,988,671.20 : x
  2. Step 2: Convert to fraction form
    297,300,801.60/445,951,202.40 = 193,988,671.20/x
  3. Step 3: Cross multiply
    297,300,801.60x = 445,951,202.40 × 193,988,671.20
  4. Step 4: Simplify right side
    297,300,801.60x = 86,509,481,173,618,240
  5. Step 5: Solve for x
    x = 86,509,481,173,618,240/297,300,801.60
  6. Step 6: Final answer
    x = 290,983,006.80

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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.