Finding the Fourth Proportional to 1,241,278,925.91, 1,862,372,397.63 and 577,609,468.02
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Solution
The fourth proportional to 1,241,278,925.91, 1,862,372,397.63 and 577,609,468.02 is: 866,625,467.81
Step by Step Solution
- Step 1: Write the proportion equation
1,241,278,925.91 : 1,862,372,397.63 = 577,609,468.02 : x - Step 2: Convert to fraction form
1,241,278,925.91/1,862,372,397.63 = 577,609,468.02/x - Step 3: Cross multiply
1,241,278,925.91x = 1,862,372,397.63 × 577,609,468.02 - Step 4: Simplify right side
1,241,278,925.91x = 1,075,723,929,850,196,224 - Step 5: Solve for x
x = 1,075,723,929,850,196,224/1,241,278,925.91 - Step 6: Final answer
x = 866,625,467.81
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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.