Finding the Fourth Proportional to 554,263,272.06, 831,681,504.88 and 243,588,879.08
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Solution
The fourth proportional to 554,263,272.06, 831,681,504.88 and 243,588,879.08 is: 365,509,272.83
Step by Step Solution
- Step 1: Write the proportion equation
554,263,272.06 : 831,681,504.88 = 243,588,879.08 : x - Step 2: Convert to fraction form
554,263,272.06/831,681,504.88 = 243,588,879.08/x - Step 3: Cross multiply
554,263,272.06x = 831,681,504.88 × 243,588,879.08 - Step 4: Simplify right side
554,263,272.06x = 202,588,365,525,009,568 - Step 5: Solve for x
x = 202,588,365,525,009,568/554,263,272.06 - Step 6: Final answer
x = 365,509,272.83
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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.