Finding the Fourth Proportional to 696,211,257.50, 1,044,203,314.63 and 204,809,643.91
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Solution
The fourth proportional to 696,211,257.50, 1,044,203,314.63 and 204,809,643.91 is: 307,181,055.66
Step by Step Solution
- Step 1: Write the proportion equation
696,211,257.50 : 1,044,203,314.63 = 204,809,643.91 : x - Step 2: Convert to fraction form
696,211,257.50/1,044,203,314.63 = 204,809,643.91/x - Step 3: Cross multiply
696,211,257.50x = 1,044,203,314.63 × 204,809,643.91 - Step 4: Simplify right side
696,211,257.50x = 213,862,909,039,012,000 - Step 5: Solve for x
x = 213,862,909,039,012,000/696,211,257.50 - Step 6: Final answer
x = 307,181,055.66
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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.