Finding the Fourth Proportional to 289,600,927.36, 399,657,162.88 and 157,450,815.36
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Solution
The fourth proportional to 289,600,927.36, 399,657,162.88 and 157,450,815.36 is: 217,286,411.11
Step by Step Solution
- Step 1: Write the proportion equation
289,600,927.36 : 399,657,162.88 = 157,450,815.36 : x - Step 2: Convert to fraction form
289,600,927.36/399,657,162.88 = 157,450,815.36/x - Step 3: Cross multiply
289,600,927.36x = 399,657,162.88 × 157,450,815.36 - Step 4: Simplify right side
289,600,927.36x = 62,926,346,159,920,328 - Step 5: Solve for x
x = 62,926,346,159,920,328/289,600,927.36 - Step 6: Final answer
x = 217,286,411.11
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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.