Finding the Fourth Proportional to 345,305,868.66, 476,528,511.47 and 188,683,120.08
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Solution
The fourth proportional to 345,305,868.66, 476,528,511.47 and 188,683,120.08 is: 260,386,209.77
Step by Step Solution
- Step 1: Write the proportion equation
345,305,868.66 : 476,528,511.47 = 188,683,120.08 : x - Step 2: Convert to fraction form
345,305,868.66/476,528,511.47 = 188,683,120.08/x - Step 3: Cross multiply
345,305,868.66x = 476,528,511.47 × 188,683,120.08 - Step 4: Simplify right side
345,305,868.66x = 89,912,886,351,237,680 - Step 5: Solve for x
x = 89,912,886,351,237,680/345,305,868.66 - Step 6: Final answer
x = 260,386,209.77
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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.