Finding the Fourth Proportional to 734,088,101.70, 1,101,132,152.55 and 515,984,715.30
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Solution
The fourth proportional to 734,088,101.70, 1,101,132,152.55 and 515,984,715.30 is: 773,977,072.95
Step by Step Solution
- Step 1: Write the proportion equation
734,088,101.70 : 1,101,132,152.55 = 515,984,715.30 : x - Step 2: Convert to fraction form
734,088,101.70/1,101,132,152.55 = 515,984,715.30/x - Step 3: Cross multiply
734,088,101.70x = 1,101,132,152.55 × 515,984,715.30 - Step 4: Simplify right side
734,088,101.70x = 568,167,360,241,187,904 - Step 5: Solve for x
x = 568,167,360,241,187,904/734,088,101.70 - Step 6: Final answer
x = 773,977,072.95
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Double scale
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Similar ratio
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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.