Finding the Fourth Proportional to 466,148,030.13, 643,284,344.57 and 257,304,212.19
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Solution
The fourth proportional to 466,148,030.13, 643,284,344.57 and 257,304,212.19 is: 355,079,847.59
Step by Step Solution
- Step 1: Write the proportion equation
466,148,030.13 : 643,284,344.57 = 257,304,212.19 : x - Step 2: Convert to fraction form
466,148,030.13/643,284,344.57 = 257,304,212.19/x - Step 3: Cross multiply
466,148,030.13x = 643,284,344.57 × 257,304,212.19 - Step 4: Simplify right side
466,148,030.13x = 165,519,771,492,457,856 - Step 5: Solve for x
x = 165,519,771,492,457,856/466,148,030.13 - Step 6: Final answer
x = 355,079,847.59
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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.