Finding the Fourth Proportional to 5,457,951,348.40, 7,531,972,802.47 and 2,951,825,060.18
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Solution
The fourth proportional to 5,457,951,348.40, 7,531,972,802.47 and 2,951,825,060.18 is: 4,073,518,551.50
Step by Step Solution
- Step 1: Write the proportion equation
5,457,951,348.40 : 7,531,972,802.47 = 2,951,825,060.18 : x - Step 2: Convert to fraction form
5,457,951,348.40/7,531,972,802.47 = 2,951,825,060.18/x - Step 3: Cross multiply
5,457,951,348.40x = 7,531,972,802.47 × 2,951,825,060.18 - Step 4: Simplify right side
5,457,951,348.40x = 22,233,066,070,887,473,152 - Step 5: Solve for x
x = 22,233,066,070,887,473,152/5,457,951,348.40 - Step 6: Final answer
x = 4,073,518,551.50
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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.