Home / 328,050,812.40-492,147,077.40-98,043,147.60

Finding the Fourth Proportional to 328,050,812.40, 492,147,077.40 and 98,043,147.60

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Solution

The fourth proportional to 328,050,812.40, 492,147,077.40 and 98,043,147.60 is: 147,085,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,050,812.40 : 492,147,077.40 = 98,043,147.60 : x
  2. Step 2: Convert to fraction form
    328,050,812.40/492,147,077.40 = 98,043,147.60/x
  3. Step 3: Cross multiply
    328,050,812.40x = 492,147,077.40 × 98,043,147.60
  4. Step 4: Simplify right side
    328,050,812.40x = 48,251,648,550,436,816
  5. Step 5: Solve for x
    x = 48,251,648,550,436,816/328,050,812.40
  6. Step 6: Final answer
    x = 147,085,898.67

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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.