Finding the Fourth Proportional to 619,005,447.36, 854,227,512 and 340,540,994.88
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Solution
The fourth proportional to 619,005,447.36, 854,227,512 and 340,540,994.88 is: 469,946,569.99
Step by Step Solution
- Step 1: Write the proportion equation
619,005,447.36 : 854,227,512 = 340,540,994.88 : x - Step 2: Convert to fraction form
619,005,447.36/854,227,512 = 340,540,994.88/x - Step 3: Cross multiply
619,005,447.36x = 854,227,512 × 340,540,994.88 - Step 4: Simplify right side
619,005,447.36x = 290,899,486,790,347,136 - Step 5: Solve for x
x = 290,899,486,790,347,136/619,005,447.36 - Step 6: Final answer
x = 469,946,569.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.