Finding the Fourth Proportional to 7,129,609,935.60, 10,694,414,903.40 and 6,827,326,294.80
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Solution
The fourth proportional to 7,129,609,935.60, 10,694,414,903.40 and 6,827,326,294.80 is: 10,240,989,442.20
Step by Step Solution
- Step 1: Write the proportion equation
7,129,609,935.60 : 10,694,414,903.40 = 6,827,326,294.80 : x - Step 2: Convert to fraction form
7,129,609,935.60/10,694,414,903.40 = 6,827,326,294.80/x - Step 3: Cross multiply
7,129,609,935.60x = 10,694,414,903.40 × 6,827,326,294.80 - Step 4: Simplify right side
7,129,609,935.60x = 73,014,260,077,483,819,008 - Step 5: Solve for x
x = 73,014,260,077,483,819,008/7,129,609,935.60 - Step 6: Final answer
x = 10,240,989,442.20
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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.