Finding the Fourth Proportional to 1,092,001,022.10, 1,638,001,533.15 and 437,053,133.70
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Solution
The fourth proportional to 1,092,001,022.10, 1,638,001,533.15 and 437,053,133.70 is: 655,579,700.55
Step by Step Solution
- Step 1: Write the proportion equation
1,092,001,022.10 : 1,638,001,533.15 = 437,053,133.70 : x - Step 2: Convert to fraction form
1,092,001,022.10/1,638,001,533.15 = 437,053,133.70/x - Step 3: Cross multiply
1,092,001,022.10x = 1,638,001,533.15 × 437,053,133.70 - Step 4: Simplify right side
1,092,001,022.10x = 715,893,703,068,611,968 - Step 5: Solve for x
x = 715,893,703,068,611,968/1,092,001,022.10 - Step 6: Final answer
x = 655,579,700.55
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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.