Finding the Fourth Proportional to 11,228,546,971.99, 15,495,288,816.58 and 6,469,074,750.07
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Solution
The fourth proportional to 11,228,546,971.99, 15,495,288,816.58 and 6,469,074,750.07 is: 8,927,262,082.84
Step by Step Solution
- Step 1: Write the proportion equation
11,228,546,971.99 : 15,495,288,816.58 = 6,469,074,750.07 : x - Step 2: Convert to fraction form
11,228,546,971.99/15,495,288,816.58 = 6,469,074,750.07/x - Step 3: Cross multiply
11,228,546,971.99x = 15,495,288,816.58 × 6,469,074,750.07 - Step 4: Simplify right side
11,228,546,971.99x = 100,240,181,628,417,736,704 - Step 5: Solve for x
x = 100,240,181,628,417,736,704/11,228,546,971.99 - Step 6: Final answer
x = 8,927,262,082.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.