Finding the Fourth Proportional to 7,129,609,542.10, 10,694,414,313.15 and 6,827,325,901.30
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Solution
The fourth proportional to 7,129,609,542.10, 10,694,414,313.15 and 6,827,325,901.30 is: 10,240,988,851.95
Step by Step Solution
- Step 1: Write the proportion equation
7,129,609,542.10 : 10,694,414,313.15 = 6,827,325,901.30 : x - Step 2: Convert to fraction form
7,129,609,542.10/10,694,414,313.15 = 6,827,325,901.30/x - Step 3: Cross multiply
7,129,609,542.10x = 10,694,414,313.15 × 6,827,325,901.30 - Step 4: Simplify right side
7,129,609,542.10x = 73,014,251,839,402,442,752 - Step 5: Solve for x
x = 73,014,251,839,402,442,752/7,129,609,542.10 - Step 6: Final answer
x = 10,240,988,851.95
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Double scale
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1.5x scale
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.