Home / 511,690,962.18-706,133,509.71-276,741,616.98

Finding the Fourth Proportional to 511,690,962.18, 706,133,509.71 and 276,741,616.98

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Solution

The fourth proportional to 511,690,962.18, 706,133,509.71 and 276,741,616.98 is: 381,903,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,690,962.18 : 706,133,509.71 = 276,741,616.98 : x
  2. Step 2: Convert to fraction form
    511,690,962.18/706,133,509.71 = 276,741,616.98/x
  3. Step 3: Cross multiply
    511,690,962.18x = 706,133,509.71 × 276,741,616.98
  4. Step 4: Simplify right side
    511,690,962.18x = 195,416,529,280,907,968
  5. Step 5: Solve for x
    x = 195,416,529,280,907,968/511,690,962.18
  6. Step 6: Final answer
    x = 381,903,421.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.