Finding the Fourth Proportional to 6,149,872,809.36, 9,239,525,755.68 and 3,943,405,491.36
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Solution
The fourth proportional to 6,149,872,809.36, 9,239,525,755.68 and 3,943,405,491.36 is: 5,924,544,739.70
Step by Step Solution
- Step 1: Write the proportion equation
6,149,872,809.36 : 9,239,525,755.68 = 3,943,405,491.36 : x - Step 2: Convert to fraction form
6,149,872,809.36/9,239,525,755.68 = 3,943,405,491.36/x - Step 3: Cross multiply
6,149,872,809.36x = 9,239,525,755.68 × 3,943,405,491.36 - Step 4: Simplify right side
6,149,872,809.36x = 36,435,196,602,510,667,776 - Step 5: Solve for x
x = 36,435,196,602,510,667,776/6,149,872,809.36 - Step 6: Final answer
x = 5,924,544,739.70
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1.5x scale
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.