Finding the Fourth Proportional to 498,191,423.97, 687,504,138.84 and 269,046,175.35
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Solution
The fourth proportional to 498,191,423.97, 687,504,138.84 and 269,046,175.35 is: 371,283,707.81
Step by Step Solution
- Step 1: Write the proportion equation
498,191,423.97 : 687,504,138.84 = 269,046,175.35 : x - Step 2: Convert to fraction form
498,191,423.97/687,504,138.84 = 269,046,175.35/x - Step 3: Cross multiply
498,191,423.97x = 687,504,138.84 × 269,046,175.35 - Step 4: Simplify right side
498,191,423.97x = 184,970,359,092,197,408 - Step 5: Solve for x
x = 184,970,359,092,197,408/498,191,423.97 - Step 6: Final answer
x = 371,283,707.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.