Home / 685,073,136.06-1,027,379,390.67-248,282,390.34

Finding the Fourth Proportional to 685,073,136.06, 1,027,379,390.67 and 248,282,390.34

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Solution

The fourth proportional to 685,073,136.06, 1,027,379,390.67 and 248,282,390.34 is: 372,340,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,073,136.06 : 1,027,379,390.67 = 248,282,390.34 : x
  2. Step 2: Convert to fraction form
    685,073,136.06/1,027,379,390.67 = 248,282,390.34/x
  3. Step 3: Cross multiply
    685,073,136.06x = 1,027,379,390.67 × 248,282,390.34
  4. Step 4: Simplify right side
    685,073,136.06x = 255,080,210,901,600,288
  5. Step 5: Solve for x
    x = 255,080,210,901,600,288/685,073,136.06
  6. Step 6: Final answer
    x = 372,340,115.93

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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.