Finding the Fourth Proportional to 3,126,648,911.12, 4,690,124,204.56 and 1,028,078,857.84
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Solution
The fourth proportional to 3,126,648,911.12, 4,690,124,204.56 and 1,028,078,857.84 is: 1,542,167,884.03
Step by Step Solution
- Step 1: Write the proportion equation
3,126,648,911.12 : 4,690,124,204.56 = 1,028,078,857.84 : x - Step 2: Convert to fraction form
3,126,648,911.12/4,690,124,204.56 = 1,028,078,857.84/x - Step 3: Cross multiply
3,126,648,911.12x = 4,690,124,204.56 × 1,028,078,857.84 - Step 4: Simplify right side
3,126,648,911.12x = 4,821,817,535,351,783,424 - Step 5: Solve for x
x = 4,821,817,535,351,783,424/3,126,648,911.12 - Step 6: Final answer
x = 1,542,167,884.03
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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.