Finding the Fourth Proportional to 1,908,073,495.90, 2,633,125,584.63 and 1,072,701,781.66
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Solution
The fourth proportional to 1,908,073,495.90, 2,633,125,584.63 and 1,072,701,781.66 is: 1,480,319,553.75
Step by Step Solution
- Step 1: Write the proportion equation
1,908,073,495.90 : 2,633,125,584.63 = 1,072,701,781.66 : x - Step 2: Convert to fraction form
1,908,073,495.90/2,633,125,584.63 = 1,072,701,781.66/x - Step 3: Cross multiply
1,908,073,495.90x = 2,633,125,584.63 × 1,072,701,781.66 - Step 4: Simplify right side
1,908,073,495.90x = 2,824,558,505,967,130,112 - Step 5: Solve for x
x = 2,824,558,505,967,130,112/1,908,073,495.90 - Step 6: Final answer
x = 1,480,319,553.75
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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.