Home / 988,560,010.40-1,482,840,015.60-251,628,490.40

Finding the Fourth Proportional to 988,560,010.40, 1,482,840,015.60 and 251,628,490.40

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Solution

The fourth proportional to 988,560,010.40, 1,482,840,015.60 and 251,628,490.40 is: 377,442,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,560,010.40 : 1,482,840,015.60 = 251,628,490.40 : x
  2. Step 2: Convert to fraction form
    988,560,010.40/1,482,840,015.60 = 251,628,490.40/x
  3. Step 3: Cross multiply
    988,560,010.40x = 1,482,840,015.60 × 251,628,490.40
  4. Step 4: Simplify right side
    988,560,010.40x = 373,124,794,630,140,416
  5. Step 5: Solve for x
    x = 373,124,794,630,140,416/988,560,010.40
  6. Step 6: Final answer
    x = 377,442,735.60

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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.