Finding the Fourth Proportional to 168,503,610,772.64, 232,534,926,739.98 and 92,378,390,317.76
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Solution
The fourth proportional to 168,503,610,772.64, 232,534,926,739.98 and 92,378,390,317.76 is: 127,482,147,868.52
Step by Step Solution
- Step 1: Write the proportion equation
168,503,610,772.64 : 232,534,926,739.98 = 92,378,390,317.76 : x - Step 2: Convert to fraction form
168,503,610,772.64/232,534,926,739.98 = 92,378,390,317.76/x - Step 3: Cross multiply
168,503,610,772.64x = 232,534,926,739.98 × 92,378,390,317.76 - Step 4: Simplify right side
168,503,610,772.64x = 21,481,202,224,897,600,782,336 - Step 5: Solve for x
x = 21,481,202,224,897,600,782,336/168,503,610,772.64 - Step 6: Final answer
x = 127,482,147,868.52
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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.