Finding the Fourth Proportional to 2,845,559,810, 3,926,872,537.80 and 1,543,228,418
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Solution
The fourth proportional to 2,845,559,810, 3,926,872,537.80 and 1,543,228,418 is: 2,129,655,216.84
Step by Step Solution
- Step 1: Write the proportion equation
2,845,559,810 : 3,926,872,537.80 = 1,543,228,418 : x - Step 2: Convert to fraction form
2,845,559,810/3,926,872,537.80 = 1,543,228,418/x - Step 3: Cross multiply
2,845,559,810x = 3,926,872,537.80 × 1,543,228,418 - Step 4: Simplify right side
2,845,559,810x = 6,060,061,294,196,739,072 - Step 5: Solve for x
x = 6,060,061,294,196,739,072/2,845,559,810 - Step 6: Final answer
x = 2,129,655,216.84
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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.