Finding the Fourth Proportional to 686,376,328,676.64, 947,199,488,183.08 and 377,727,687,701.49
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Solution
The fourth proportional to 686,376,328,676.64, 947,199,488,183.08 and 377,727,687,701.49 is: 521,264,294,112.90
Step by Step Solution
- Step 1: Write the proportion equation
686,376,328,676.64 : 947,199,488,183.08 = 377,727,687,701.49 : x - Step 2: Convert to fraction form
686,376,328,676.64/947,199,488,183.08 = 377,727,687,701.49/x - Step 3: Cross multiply
686,376,328,676.64x = 947,199,488,183.08 × 377,727,687,701.49 - Step 4: Simplify right side
686,376,328,676.64x = 357,783,472,463,429,555,453,952 - Step 5: Solve for x
x = 357,783,472,463,429,555,453,952/686,376,328,676.64 - Step 6: Final answer
x = 521,264,294,112.90
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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.