Finding the Fourth Proportional to 254,590,128,497.80, 381,885,192,746.70 and 105,480,538,481.80
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Solution
The fourth proportional to 254,590,128,497.80, 381,885,192,746.70 and 105,480,538,481.80 is: 158,220,807,722.70
Step by Step Solution
- Step 1: Write the proportion equation
254,590,128,497.80 : 381,885,192,746.70 = 105,480,538,481.80 : x - Step 2: Convert to fraction form
254,590,128,497.80/381,885,192,746.70 = 105,480,538,481.80/x - Step 3: Cross multiply
254,590,128,497.80x = 381,885,192,746.70 × 105,480,538,481.80 - Step 4: Simplify right side
254,590,128,497.80x = 40,281,455,769,147,901,214,720 - Step 5: Solve for x
x = 40,281,455,769,147,901,214,720/254,590,128,497.80 - Step 6: Final answer
x = 158,220,807,722.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.