Finding the Fourth Proportional to 13,681,593,164.99, 18,881,376,573.35 and 7,660,045,888.18
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Solution
The fourth proportional to 13,681,593,164.99, 18,881,376,573.35 and 7,660,045,888.18 is: 10,571,298,915.24
Step by Step Solution
- Step 1: Write the proportion equation
13,681,593,164.99 : 18,881,376,573.35 = 7,660,045,888.18 : x - Step 2: Convert to fraction form
13,681,593,164.99/18,881,376,573.35 = 7,660,045,888.18/x - Step 3: Cross multiply
13,681,593,164.99x = 18,881,376,573.35 × 7,660,045,888.18 - Step 4: Simplify right side
13,681,593,164.99x = 144,632,210,983,843,627,008 - Step 5: Solve for x
x = 144,632,210,983,843,627,008/13,681,593,164.99 - Step 6: Final answer
x = 10,571,298,915.24
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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.