Finding the Fourth Proportional to 372,353,262.36, 513,850,967.76 and 205,095,460.80
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Solution
The fourth proportional to 372,353,262.36, 513,850,967.76 and 205,095,460.80 is: 283,033,644.84
Step by Step Solution
- Step 1: Write the proportion equation
372,353,262.36 : 513,850,967.76 = 205,095,460.80 : x - Step 2: Convert to fraction form
372,353,262.36/513,850,967.76 = 205,095,460.80/x - Step 3: Cross multiply
372,353,262.36x = 513,850,967.76 × 205,095,460.80 - Step 4: Simplify right side
372,353,262.36x = 105,388,501,015,263,152 - Step 5: Solve for x
x = 105,388,501,015,263,152/372,353,262.36 - Step 6: Final answer
x = 283,033,644.84
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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.