Finding the Fourth Proportional to 9,981,596,312.49, 14,948,626,264.97 and 5,775,685,325.75
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Solution
The fourth proportional to 9,981,596,312.49, 14,948,626,264.97 and 5,775,685,325.75 is: 8,649,774,911.31
Step by Step Solution
- Step 1: Write the proportion equation
9,981,596,312.49 : 14,948,626,264.97 = 5,775,685,325.75 : x - Step 2: Convert to fraction form
9,981,596,312.49/14,948,626,264.97 = 5,775,685,325.75/x - Step 3: Cross multiply
9,981,596,312.49x = 14,948,626,264.97 × 5,775,685,325.75 - Step 4: Simplify right side
9,981,596,312.49x = 86,338,561,358,604,632,064 - Step 5: Solve for x
x = 86,338,561,358,604,632,064/9,981,596,312.49 - Step 6: Final answer
x = 8,649,774,911.31
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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.