Finding the Fourth Proportional to 9,826,512,129.45, 14,739,768,194.18 and 3,194,128,449.45
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Solution
The fourth proportional to 9,826,512,129.45, 14,739,768,194.18 and 3,194,128,449.45 is: 4,791,192,674.18
Step by Step Solution
- Step 1: Write the proportion equation
9,826,512,129.45 : 14,739,768,194.18 = 3,194,128,449.45 : x - Step 2: Convert to fraction form
9,826,512,129.45/14,739,768,194.18 = 3,194,128,449.45/x - Step 3: Cross multiply
9,826,512,129.45x = 14,739,768,194.18 × 3,194,128,449.45 - Step 4: Simplify right side
9,826,512,129.45x = 47,080,712,927,312,617,472 - Step 5: Solve for x
x = 47,080,712,927,312,617,472/9,826,512,129.45 - Step 6: Final answer
x = 4,791,192,674.18
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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.