Finding the Fourth Proportional to 534,905,102.70, 747,336,593.70 and 534,905,102.70
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Solution
The fourth proportional to 534,905,102.70, 747,336,593.70 and 534,905,102.70 is: 747,336,593.70
Step by Step Solution
- Step 1: Write the proportion equation
534,905,102.70 : 747,336,593.70 = 534,905,102.70 : x - Step 2: Convert to fraction form
534,905,102.70/747,336,593.70 = 534,905,102.70/x - Step 3: Cross multiply
534,905,102.70x = 747,336,593.70 × 534,905,102.70 - Step 4: Simplify right side
534,905,102.70x = 399,754,157,404,566,720 - Step 5: Solve for x
x = 399,754,157,404,566,720/534,905,102.70 - Step 6: Final answer
x = 747,336,593.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.