Finding the Fourth Proportional to 186,290,336,197.68, 257,292,724,012.02 and 125,216,671,630.58
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Solution
The fourth proportional to 186,290,336,197.68, 257,292,724,012.02 and 125,216,671,630.58 is: 172,941,544,865.56
Step by Step Solution
- Step 1: Write the proportion equation
186,290,336,197.68 : 257,292,724,012.02 = 125,216,671,630.58 : x - Step 2: Convert to fraction form
186,290,336,197.68/257,292,724,012.02 = 125,216,671,630.58/x - Step 3: Cross multiply
186,290,336,197.68x = 257,292,724,012.02 × 125,216,671,630.58 - Step 4: Simplify right side
186,290,336,197.68x = 32,217,338,535,550,551,851,008 - Step 5: Solve for x
x = 32,217,338,535,550,551,851,008/186,290,336,197.68 - Step 6: Final answer
x = 172,941,544,865.56
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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.