Finding the Fourth Proportional to 373,643,567.98, 515,628,104.13 and 201,784,631.51
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Solution
The fourth proportional to 373,643,567.98, 515,628,104.13 and 201,784,631.51 is: 278,462,780.86
Step by Step Solution
- Step 1: Write the proportion equation
373,643,567.98 : 515,628,104.13 = 201,784,631.51 : x - Step 2: Convert to fraction form
373,643,567.98/515,628,104.13 = 201,784,631.51/x - Step 3: Cross multiply
373,643,567.98x = 515,628,104.13 × 201,784,631.51 - Step 4: Simplify right side
373,643,567.98x = 104,045,826,989,361,024 - Step 5: Solve for x
x = 104,045,826,989,361,024/373,643,567.98 - Step 6: Final answer
x = 278,462,780.86
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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.