Finding the Fourth Proportional to 418,748,827.02, 627,832,366.80 and 185,452,409.94
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Solution
The fourth proportional to 418,748,827.02, 627,832,366.80 and 185,452,409.94 is: 278,049,794.89
Step by Step Solution
- Step 1: Write the proportion equation
418,748,827.02 : 627,832,366.80 = 185,452,409.94 : x - Step 2: Convert to fraction form
418,748,827.02/627,832,366.80 = 185,452,409.94/x - Step 3: Cross multiply
418,748,827.02x = 627,832,366.80 × 185,452,409.94 - Step 4: Simplify right side
418,748,827.02x = 116,433,025,461,394,032 - Step 5: Solve for x
x = 116,433,025,461,394,032/418,748,827.02 - Step 6: Final answer
x = 278,049,794.89
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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.