Finding the Fourth Proportional to 556,003,324.49, 767,296,307.09 and 305,105,521.80
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Solution
The fourth proportional to 556,003,324.49, 767,296,307.09 and 305,105,521.80 is: 421,052,051.02
Step by Step Solution
- Step 1: Write the proportion equation
556,003,324.49 : 767,296,307.09 = 305,105,521.80 : x - Step 2: Convert to fraction form
556,003,324.49/767,296,307.09 = 305,105,521.80/x - Step 3: Cross multiply
556,003,324.49x = 767,296,307.09 × 305,105,521.80 - Step 4: Simplify right side
556,003,324.49x = 234,106,340,151,881,536 - Step 5: Solve for x
x = 234,106,340,151,881,536/556,003,324.49 - Step 6: Final answer
x = 421,052,051.02
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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.