Home / 969,969,123.60-1,455,445,128.60-424,716,003.60

Finding the Fourth Proportional to 969,969,123.60, 1,455,445,128.60 and 424,716,003.60

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Solution

The fourth proportional to 969,969,123.60, 1,455,445,128.60 and 424,716,003.60 is: 637,289,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,969,123.60 : 1,455,445,128.60 = 424,716,003.60 : x
  2. Step 2: Convert to fraction form
    969,969,123.60/1,455,445,128.60 = 424,716,003.60/x
  3. Step 3: Cross multiply
    969,969,123.60x = 1,455,445,128.60 × 424,716,003.60
  4. Step 4: Simplify right side
    969,969,123.60x = 618,150,838,478,080,000
  5. Step 5: Solve for x
    x = 618,150,838,478,080,000/969,969,123.60
  6. Step 6: Final answer
    x = 637,289,191.42

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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.