Finding the Fourth Proportional to 372,752,325.81, 514,399,768.56 and 205,484,916.06
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Solution
The fourth proportional to 372,752,325.81, 514,399,768.56 and 205,484,916.06 is: 283,570,043.55
Step by Step Solution
- Step 1: Write the proportion equation
372,752,325.81 : 514,399,768.56 = 205,484,916.06 : x - Step 2: Convert to fraction form
372,752,325.81/514,399,768.56 = 205,484,916.06/x - Step 3: Cross multiply
372,752,325.81x = 514,399,768.56 × 205,484,916.06 - Step 4: Simplify right side
372,752,325.81x = 105,701,393,263,835,024 - Step 5: Solve for x
x = 105,701,393,263,835,024/372,752,325.81 - Step 6: Final answer
x = 283,570,043.55
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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.