Finding the Fourth Proportional to 495,133,078.70, 742,699,618.05 and 322,946,194.70
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Solution
The fourth proportional to 495,133,078.70, 742,699,618.05 and 322,946,194.70 is: 484,419,292.05
Step by Step Solution
- Step 1: Write the proportion equation
495,133,078.70 : 742,699,618.05 = 322,946,194.70 : x - Step 2: Convert to fraction form
495,133,078.70/742,699,618.05 = 322,946,194.70/x - Step 3: Cross multiply
495,133,078.70x = 742,699,618.05 × 322,946,194.70 - Step 4: Simplify right side
495,133,078.70x = 239,852,015,454,390,912 - Step 5: Solve for x
x = 239,852,015,454,390,912/495,133,078.70 - Step 6: Final answer
x = 484,419,292.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.