Home / 913,975,172.85-1,370,005,906.16-382,491,107.67

Finding the Fourth Proportional to 913,975,172.85, 1,370,005,906.16 and 382,491,107.67

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Solution

The fourth proportional to 913,975,172.85, 1,370,005,906.16 and 382,491,107.67 is: 573,336,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,975,172.85 : 1,370,005,906.16 = 382,491,107.67 : x
  2. Step 2: Convert to fraction form
    913,975,172.85/1,370,005,906.16 = 382,491,107.67/x
  3. Step 3: Cross multiply
    913,975,172.85x = 1,370,005,906.16 × 382,491,107.67
  4. Step 4: Simplify right side
    913,975,172.85x = 524,015,076,559,668,032
  5. Step 5: Solve for x
    x = 524,015,076,559,668,032/913,975,172.85
  6. Step 6: Final answer
    x = 573,336,226.33

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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.