Finding the Fourth Proportional to 251,696,456,838.63, 347,341,249,534.90 and 135,953,215,790.03
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Solution
The fourth proportional to 251,696,456,838.63, 347,341,249,534.90 and 135,953,215,790.03 is: 187,615,512,923.46
Step by Step Solution
- Step 1: Write the proportion equation
251,696,456,838.63 : 347,341,249,534.90 = 135,953,215,790.03 : x - Step 2: Convert to fraction form
251,696,456,838.63/347,341,249,534.90 = 135,953,215,790.03/x - Step 3: Cross multiply
251,696,456,838.63x = 347,341,249,534.90 × 135,953,215,790.03 - Step 4: Simplify right side
251,696,456,838.63x = 47,222,159,850,796,918,767,616 - Step 5: Solve for x
x = 47,222,159,850,796,918,767,616/251,696,456,838.63 - Step 6: Final answer
x = 187,615,512,923.46
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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.