Finding the Fourth Proportional to 5,418,623,255.64, 8,128,245,493.29 and 1,434,603,848.81
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Solution
The fourth proportional to 5,418,623,255.64, 8,128,245,493.29 and 1,434,603,848.81 is: 2,151,988,008.51
Step by Step Solution
- Step 1: Write the proportion equation
5,418,623,255.64 : 8,128,245,493.29 = 1,434,603,848.81 : x - Step 2: Convert to fraction form
5,418,623,255.64/8,128,245,493.29 = 1,434,603,848.81/x - Step 3: Cross multiply
5,418,623,255.64x = 8,128,245,493.29 × 1,434,603,848.81 - Step 4: Simplify right side
5,418,623,255.64x = 11,660,812,268,746,371,072 - Step 5: Solve for x
x = 11,660,812,268,746,371,072/5,418,623,255.64 - Step 6: Final answer
x = 2,151,988,008.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.