Finding the Fourth Proportional to 1,537,496,174.70, 2,121,733,405.98 and 832,631,804.64
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Solution
The fourth proportional to 1,537,496,174.70, 2,121,733,405.98 and 832,631,804.64 is: 1,149,025,762.70
Step by Step Solution
- Step 1: Write the proportion equation
1,537,496,174.70 : 2,121,733,405.98 = 832,631,804.64 : x - Step 2: Convert to fraction form
1,537,496,174.70/2,121,733,405.98 = 832,631,804.64/x - Step 3: Cross multiply
1,537,496,174.70x = 2,121,733,405.98 × 832,631,804.64 - Step 4: Simplify right side
1,537,496,174.70x = 1,766,622,714,786,101,248 - Step 5: Solve for x
x = 1,766,622,714,786,101,248/1,537,496,174.70 - Step 6: Final answer
x = 1,149,025,762.70
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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.