Finding the Fourth Proportional to 5,461,420,774.60, 7,536,773,769.86 and 2,955,321,378.28
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Solution
The fourth proportional to 5,461,420,774.60, 7,536,773,769.86 and 2,955,321,378.28 is: 4,078,350,591.28
Step by Step Solution
- Step 1: Write the proportion equation
5,461,420,774.60 : 7,536,773,769.86 = 2,955,321,378.28 : x - Step 2: Convert to fraction form
5,461,420,774.60/7,536,773,769.86 = 2,955,321,378.28/x - Step 3: Cross multiply
5,461,420,774.60x = 7,536,773,769.86 × 2,955,321,378.28 - Step 4: Simplify right side
5,461,420,774.60x = 22,273,588,645,327,208,448 - Step 5: Solve for x
x = 22,273,588,645,327,208,448/5,461,420,774.60 - Step 6: Final answer
x = 4,078,350,591.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.