Finding the Fourth Proportional to 3,883,530,088.31, 5,360,728,934.70 and 2,545,506,405
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Solution
The fourth proportional to 3,883,530,088.31, 5,360,728,934.70 and 2,545,506,405 is: 3,513,754,117.64
Step by Step Solution
- Step 1: Write the proportion equation
3,883,530,088.31 : 5,360,728,934.70 = 2,545,506,405 : x - Step 2: Convert to fraction form
3,883,530,088.31/5,360,728,934.70 = 2,545,506,405/x - Step 3: Cross multiply
3,883,530,088.31x = 5,360,728,934.70 × 2,545,506,405 - Step 4: Simplify right side
3,883,530,088.31x = 13,645,769,838,747,676,672 - Step 5: Solve for x
x = 13,645,769,838,747,676,672/3,883,530,088.31 - Step 6: Final answer
x = 3,513,754,117.64
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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.