Finding the Fourth Proportional to 347,027,110.16, 478,902,298.28 and 190,391,370.80
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Solution
The fourth proportional to 347,027,110.16, 478,902,298.28 and 190,391,370.80 is: 262,742,772.48
Step by Step Solution
- Step 1: Write the proportion equation
347,027,110.16 : 478,902,298.28 = 190,391,370.80 : x - Step 2: Convert to fraction form
347,027,110.16/478,902,298.28 = 190,391,370.80/x - Step 3: Cross multiply
347,027,110.16x = 478,902,298.28 × 190,391,370.80 - Step 4: Simplify right side
347,027,110.16x = 91,178,865,048,799,680 - Step 5: Solve for x
x = 91,178,865,048,799,680/347,027,110.16 - Step 6: Final answer
x = 262,742,772.48
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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.