Finding the Fourth Proportional to 508,899,670.84, 762,912,312.16 and 176,863,540.92
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Solution
The fourth proportional to 508,899,670.84, 762,912,312.16 and 176,863,540.92 is: 265,143,368.47
Step by Step Solution
- Step 1: Write the proportion equation
508,899,670.84 : 762,912,312.16 = 176,863,540.92 : x - Step 2: Convert to fraction form
508,899,670.84/762,912,312.16 = 176,863,540.92/x - Step 3: Cross multiply
508,899,670.84x = 762,912,312.16 × 176,863,540.92 - Step 4: Simplify right side
508,899,670.84x = 134,931,372,940,081,952 - Step 5: Solve for x
x = 134,931,372,940,081,952/508,899,670.84 - Step 6: Final answer
x = 265,143,368.47
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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.