Finding the Fourth Proportional to 16,128,342,143.70, 24,192,513,215.55 and 5,087,974,233.30
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Solution
The fourth proportional to 16,128,342,143.70, 24,192,513,215.55 and 5,087,974,233.30 is: 7,631,961,349.95
Step by Step Solution
- Step 1: Write the proportion equation
16,128,342,143.70 : 24,192,513,215.55 = 5,087,974,233.30 : x - Step 2: Convert to fraction form
16,128,342,143.70/24,192,513,215.55 = 5,087,974,233.30/x - Step 3: Cross multiply
16,128,342,143.70x = 24,192,513,215.55 × 5,087,974,233.30 - Step 4: Simplify right side
16,128,342,143.70x = 123,090,883,879,488,126,976 - Step 5: Solve for x
x = 123,090,883,879,488,126,976/16,128,342,143.70 - Step 6: Final answer
x = 7,631,961,349.95
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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.