Finding the Fourth Proportional to 3,883,530,081.90, 5,360,728,925.94 and 2,545,506,398.70
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Solution
The fourth proportional to 3,883,530,081.90, 5,360,728,925.94 and 2,545,506,398.70 is: 3,513,754,108.99
Step by Step Solution
- Step 1: Write the proportion equation
3,883,530,081.90 : 5,360,728,925.94 = 2,545,506,398.70 : x - Step 2: Convert to fraction form
3,883,530,081.90/5,360,728,925.94 = 2,545,506,398.70/x - Step 3: Cross multiply
3,883,530,081.90x = 5,360,728,925.94 × 2,545,506,398.70 - Step 4: Simplify right side
3,883,530,081.90x = 13,645,769,782,676,447,232 - Step 5: Solve for x
x = 13,645,769,782,676,447,232/3,883,530,081.90 - Step 6: Final answer
x = 3,513,754,108.99
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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.