Finding the Fourth Proportional to 1,207,266,043.14, 1,810,896,804.41 and 378,283,148.15
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Solution
The fourth proportional to 1,207,266,043.14, 1,810,896,804.41 and 378,283,148.15 is: 567,424,013.98
Step by Step Solution
- Step 1: Write the proportion equation
1,207,266,043.14 : 1,810,896,804.41 = 378,283,148.15 : x - Step 2: Convert to fraction form
1,207,266,043.14/1,810,896,804.41 = 378,283,148.15/x - Step 3: Cross multiply
1,207,266,043.14x = 1,810,896,804.41 × 378,283,148.15 - Step 4: Simplify right side
1,207,266,043.14x = 685,031,744,136,043,648 - Step 5: Solve for x
x = 685,031,744,136,043,648/1,207,266,043.14 - Step 6: Final answer
x = 567,424,013.98
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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.