Home / 701,281,442.40-1,051,922,163.60-318,328,994.40

Finding the Fourth Proportional to 701,281,442.40, 1,051,922,163.60 and 318,328,994.40

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Solution

The fourth proportional to 701,281,442.40, 1,051,922,163.60 and 318,328,994.40 is: 477,493,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,281,442.40 : 1,051,922,163.60 = 318,328,994.40 : x
  2. Step 2: Convert to fraction form
    701,281,442.40/1,051,922,163.60 = 318,328,994.40/x
  3. Step 3: Cross multiply
    701,281,442.40x = 1,051,922,163.60 × 318,328,994.40
  4. Step 4: Simplify right side
    701,281,442.40x = 334,857,324,525,860,288
  5. Step 5: Solve for x
    x = 334,857,324,525,860,288/701,281,442.40
  6. Step 6: Final answer
    x = 477,493,491.60

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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.