Home / 689,458,690.42-1,034,111,640.60-246,783,690.16

Finding the Fourth Proportional to 689,458,690.42, 1,034,111,640.60 and 246,783,690.16

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Solution

The fourth proportional to 689,458,690.42, 1,034,111,640.60 and 246,783,690.16 is: 370,148,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,458,690.42 : 1,034,111,640.60 = 246,783,690.16 : x
  2. Step 2: Convert to fraction form
    689,458,690.42/1,034,111,640.60 = 246,783,690.16/x
  3. Step 3: Cross multiply
    689,458,690.42x = 1,034,111,640.60 × 246,783,690.16
  4. Step 4: Simplify right side
    689,458,690.42x = 255,201,886,704,679,680
  5. Step 5: Solve for x
    x = 255,201,886,704,679,680/689,458,690.42
  6. Step 6: Final answer
    x = 370,148,190.53

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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.