Finding the Fourth Proportional to 7,304,909,186.96, 10,959,340,742.52 and 5,209,033,431.44
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Solution
The fourth proportional to 7,304,909,186.96, 10,959,340,742.52 and 5,209,033,431.44 is: 7,814,959,892.48
Step by Step Solution
- Step 1: Write the proportion equation
7,304,909,186.96 : 10,959,340,742.52 = 5,209,033,431.44 : x - Step 2: Convert to fraction form
7,304,909,186.96/10,959,340,742.52 = 5,209,033,431.44/x - Step 3: Cross multiply
7,304,909,186.96x = 10,959,340,742.52 × 5,209,033,431.44 - Step 4: Simplify right side
7,304,909,186.96x = 57,087,572,314,329,153,536 - Step 5: Solve for x
x = 57,087,572,314,329,153,536/7,304,909,186.96 - Step 6: Final answer
x = 7,814,959,892.48
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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.