Home / 662,007,907.40-993,459,758.70-298,315,056.20

Finding the Fourth Proportional to 662,007,907.40, 993,459,758.70 and 298,315,056.20

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Solution

The fourth proportional to 662,007,907.40, 993,459,758.70 and 298,315,056.20 is: 447,674,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,007,907.40 : 993,459,758.70 = 298,315,056.20 : x
  2. Step 2: Convert to fraction form
    662,007,907.40/993,459,758.70 = 298,315,056.20/x
  3. Step 3: Cross multiply
    662,007,907.40x = 993,459,758.70 × 298,315,056.20
  4. Step 4: Simplify right side
    662,007,907.40x = 296,364,003,749,028,928
  5. Step 5: Solve for x
    x = 296,364,003,749,028,928/662,007,907.40
  6. Step 6: Final answer
    x = 447,674,416.63

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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.