Finding the Fourth Proportional to 356,096,730.18, 491,416,372.98 and 197,329,505.14
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Solution
The fourth proportional to 356,096,730.18, 491,416,372.98 and 197,329,505.14 is: 272,316,315.99
Step by Step Solution
- Step 1: Write the proportion equation
356,096,730.18 : 491,416,372.98 = 197,329,505.14 : x - Step 2: Convert to fraction form
356,096,730.18/491,416,372.98 = 197,329,505.14/x - Step 3: Cross multiply
356,096,730.18x = 491,416,372.98 × 197,329,505.14 - Step 4: Simplify right side
356,096,730.18x = 96,970,949,697,837,056 - Step 5: Solve for x
x = 96,970,949,697,837,056/356,096,730.18 - Step 6: Final answer
x = 272,316,315.99
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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.