Home / 908,336,505.94-1,253,504,883.03-490,648,795.34

Finding the Fourth Proportional to 908,336,505.94, 1,253,504,883.03 and 490,648,795.34

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Solution

The fourth proportional to 908,336,505.94, 1,253,504,883.03 and 490,648,795.34 is: 677,095,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,336,505.94 : 1,253,504,883.03 = 490,648,795.34 : x
  2. Step 2: Convert to fraction form
    908,336,505.94/1,253,504,883.03 = 490,648,795.34/x
  3. Step 3: Cross multiply
    908,336,505.94x = 1,253,504,883.03 × 490,648,795.34
  4. Step 4: Simplify right side
    908,336,505.94x = 615,030,660,803,394,176
  5. Step 5: Solve for x
    x = 615,030,660,803,394,176/908,336,505.94
  6. Step 6: Final answer
    x = 677,095,610.25

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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.