Finding the Fourth Proportional to 1,794,508,803.20, 2,691,763,204.80 and 978,215,427.20
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Solution
The fourth proportional to 1,794,508,803.20, 2,691,763,204.80 and 978,215,427.20 is: 1,467,323,140.80
Step by Step Solution
- Step 1: Write the proportion equation
1,794,508,803.20 : 2,691,763,204.80 = 978,215,427.20 : x - Step 2: Convert to fraction form
1,794,508,803.20/2,691,763,204.80 = 978,215,427.20/x - Step 3: Cross multiply
1,794,508,803.20x = 2,691,763,204.80 × 978,215,427.20 - Step 4: Simplify right side
1,794,508,803.20x = 2,633,124,293,304,673,280 - Step 5: Solve for x
x = 2,633,124,293,304,673,280/1,794,508,803.20 - Step 6: Final answer
x = 1,467,323,140.80
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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.