Home / 969,969,133.10-1,455,445,142.85-424,716,013.10

Finding the Fourth Proportional to 969,969,133.10, 1,455,445,142.85 and 424,716,013.10

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Solution

The fourth proportional to 969,969,133.10, 1,455,445,142.85 and 424,716,013.10 is: 637,289,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,969,133.10 : 1,455,445,142.85 = 424,716,013.10 : x
  2. Step 2: Convert to fraction form
    969,969,133.10/1,455,445,142.85 = 424,716,013.10/x
  3. Step 3: Cross multiply
    969,969,133.10x = 1,455,445,142.85 × 424,716,013.10
  4. Step 4: Simplify right side
    969,969,133.10x = 618,150,858,357,011,968
  5. Step 5: Solve for x
    x = 618,150,858,357,011,968/969,969,133.10
  6. Step 6: Final answer
    x = 637,289,205.67

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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.