Home / 969,969,128.60-1,455,445,136.10-424,716,008.60

Finding the Fourth Proportional to 969,969,128.60, 1,455,445,136.10 and 424,716,008.60

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Solution

The fourth proportional to 969,969,128.60, 1,455,445,136.10 and 424,716,008.60 is: 637,289,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,969,128.60 : 1,455,445,136.10 = 424,716,008.60 : x
  2. Step 2: Convert to fraction form
    969,969,128.60/1,455,445,136.10 = 424,716,008.60/x
  3. Step 3: Cross multiply
    969,969,128.60x = 1,455,445,136.10 × 424,716,008.60
  4. Step 4: Simplify right side
    969,969,128.60x = 618,150,848,940,675,712
  5. Step 5: Solve for x
    x = 618,150,848,940,675,712/969,969,128.60
  6. Step 6: Final answer
    x = 637,289,198.92

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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.