Home / 490,846,665.93-677,367,927.59-270,830,102.73

Finding the Fourth Proportional to 490,846,665.93, 677,367,927.59 and 270,830,102.73

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Solution

The fourth proportional to 490,846,665.93, 677,367,927.59 and 270,830,102.73 is: 373,745,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,846,665.93 : 677,367,927.59 = 270,830,102.73 : x
  2. Step 2: Convert to fraction form
    490,846,665.93/677,367,927.59 = 270,830,102.73/x
  3. Step 3: Cross multiply
    490,846,665.93x = 677,367,927.59 × 270,830,102.73
  4. Step 4: Simplify right side
    490,846,665.93x = 183,451,625,413,852,768
  5. Step 5: Solve for x
    x = 183,451,625,413,852,768/490,846,665.93
  6. Step 6: Final answer
    x = 373,745,281.67

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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.