Finding the Fourth Proportional to 1,824,056,094.69, 2,517,201,119.84 and 988,681,231.17
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Solution
The fourth proportional to 1,824,056,094.69, 2,517,201,119.84 and 988,681,231.17 is: 1,364,382,109.47
Step by Step Solution
- Step 1: Write the proportion equation
1,824,056,094.69 : 2,517,201,119.84 = 988,681,231.17 : x - Step 2: Convert to fraction form
1,824,056,094.69/2,517,201,119.84 = 988,681,231.17/x - Step 3: Cross multiply
1,824,056,094.69x = 2,517,201,119.84 × 988,681,231.17 - Step 4: Simplify right side
1,824,056,094.69x = 2,488,709,502,260,970,496 - Step 5: Solve for x
x = 2,488,709,502,260,970,496/1,824,056,094.69 - Step 6: Final answer
x = 1,364,382,109.47
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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.