Finding the Fourth Proportional to 7,354,459,868.19, 11,031,617,103.60 and 3,369,413,618.24
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Solution
The fourth proportional to 7,354,459,868.19, 11,031,617,103.60 and 3,369,413,618.24 is: 5,054,087,120.77
Step by Step Solution
- Step 1: Write the proportion equation
7,354,459,868.19 : 11,031,617,103.60 = 3,369,413,618.24 : x - Step 2: Convert to fraction form
7,354,459,868.19/11,031,617,103.60 = 3,369,413,618.24/x - Step 3: Cross multiply
7,354,459,868.19x = 11,031,617,103.60 × 3,369,413,618.24 - Step 4: Simplify right side
7,354,459,868.19x = 37,170,080,900,007,141,376 - Step 5: Solve for x
x = 37,170,080,900,007,141,376/7,354,459,868.19 - Step 6: Final answer
x = 5,054,087,120.77
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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.