Finding the Fourth Proportional to 314,930,705.70, 472,396,058.55 and 286,232,891.70
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Solution
The fourth proportional to 314,930,705.70, 472,396,058.55 and 286,232,891.70 is: 429,349,337.55
Step by Step Solution
- Step 1: Write the proportion equation
314,930,705.70 : 472,396,058.55 = 286,232,891.70 : x - Step 2: Convert to fraction form
314,930,705.70/472,396,058.55 = 286,232,891.70/x - Step 3: Cross multiply
314,930,705.70x = 472,396,058.55 × 286,232,891.70 - Step 4: Simplify right side
314,930,705.70x = 135,215,289,866,449,008 - Step 5: Solve for x
x = 135,215,289,866,449,008/314,930,705.70 - Step 6: Final answer
x = 429,349,337.55
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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.