Finding the Fourth Proportional to 7,750,728,045.80, 11,626,092,068.70 and 7,750,728,045.80
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Solution
The fourth proportional to 7,750,728,045.80, 11,626,092,068.70 and 7,750,728,045.80 is: 11,626,092,068.70
Step by Step Solution
- Step 1: Write the proportion equation
7,750,728,045.80 : 11,626,092,068.70 = 7,750,728,045.80 : x - Step 2: Convert to fraction form
7,750,728,045.80/11,626,092,068.70 = 7,750,728,045.80/x - Step 3: Cross multiply
7,750,728,045.80x = 11,626,092,068.70 × 7,750,728,045.80 - Step 4: Simplify right side
7,750,728,045.80x = 90,110,677,859,926,032,384 - Step 5: Solve for x
x = 90,110,677,859,926,032,384/7,750,728,045.80 - Step 6: Final answer
x = 11,626,092,068.70
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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.