Finding the Fourth Proportional to 186,290,336,195.68, 257,292,724,009.26 and 125,216,671,628.58
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Solution
The fourth proportional to 186,290,336,195.68, 257,292,724,009.26 and 125,216,671,628.58 is: 172,941,544,862.80
Step by Step Solution
- Step 1: Write the proportion equation
186,290,336,195.68 : 257,292,724,009.26 = 125,216,671,628.58 : x - Step 2: Convert to fraction form
186,290,336,195.68/257,292,724,009.26 = 125,216,671,628.58/x - Step 3: Cross multiply
186,290,336,195.68x = 257,292,724,009.26 × 125,216,671,628.58 - Step 4: Simplify right side
186,290,336,195.68x = 32,217,338,534,690,371,403,776 - Step 5: Solve for x
x = 32,217,338,534,690,371,403,776/186,290,336,195.68 - Step 6: Final answer
x = 172,941,544,862.80
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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.