Finding the Fourth Proportional to 730,735,394.70, 1,096,103,092.05 and 343,314,905.70
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Solution
The fourth proportional to 730,735,394.70, 1,096,103,092.05 and 343,314,905.70 is: 514,972,358.55
Step by Step Solution
- Step 1: Write the proportion equation
730,735,394.70 : 1,096,103,092.05 = 343,314,905.70 : x - Step 2: Convert to fraction form
730,735,394.70/1,096,103,092.05 = 343,314,905.70/x - Step 3: Cross multiply
730,735,394.70x = 1,096,103,092.05 × 343,314,905.70 - Step 4: Simplify right side
730,735,394.70x = 376,308,529,684,624,128 - Step 5: Solve for x
x = 376,308,529,684,624,128/730,735,394.70 - Step 6: Final answer
x = 514,972,358.55
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Double scale
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1.5x scale
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.