Home / 969,969,119.10-1,455,445,121.85-424,715,999.10

Finding the Fourth Proportional to 969,969,119.10, 1,455,445,121.85 and 424,715,999.10

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Solution

The fourth proportional to 969,969,119.10, 1,455,445,121.85 and 424,715,999.10 is: 637,289,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,969,119.10 : 1,455,445,121.85 = 424,715,999.10 : x
  2. Step 2: Convert to fraction form
    969,969,119.10/1,455,445,121.85 = 424,715,999.10/x
  3. Step 3: Cross multiply
    969,969,119.10x = 1,455,445,121.85 × 424,715,999.10
  4. Step 4: Simplify right side
    969,969,119.10x = 618,150,829,061,744,000
  5. Step 5: Solve for x
    x = 618,150,829,061,744,000/969,969,119.10
  6. Step 6: Final answer
    x = 637,289,184.67

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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.