Finding the Fourth Proportional to 5,244,912,127.20, 7,867,186,232.40 and 1,314,652,677.60
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Solution
The fourth proportional to 5,244,912,127.20, 7,867,186,232.40 and 1,314,652,677.60 is: 1,971,933,407.99
Step by Step Solution
- Step 1: Write the proportion equation
5,244,912,127.20 : 7,867,186,232.40 = 1,314,652,677.60 : x - Step 2: Convert to fraction form
5,244,912,127.20/7,867,186,232.40 = 1,314,652,677.60/x - Step 3: Cross multiply
5,244,912,127.20x = 7,867,186,232.40 × 1,314,652,677.60 - Step 4: Simplify right side
5,244,912,127.20x = 10,342,617,445,602,514,944 - Step 5: Solve for x
x = 10,342,617,445,602,514,944/5,244,912,127.20 - Step 6: Final answer
x = 1,971,933,407.99
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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.