Finding the Fourth Proportional to 1,034,244,908.70, 1,551,367,363.05 and 905,104,745.70
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Solution
The fourth proportional to 1,034,244,908.70, 1,551,367,363.05 and 905,104,745.70 is: 1,357,657,118.55
Step by Step Solution
- Step 1: Write the proportion equation
1,034,244,908.70 : 1,551,367,363.05 = 905,104,745.70 : x - Step 2: Convert to fraction form
1,034,244,908.70/1,551,367,363.05 = 905,104,745.70/x - Step 3: Cross multiply
1,034,244,908.70x = 1,551,367,363.05 × 905,104,745.70 - Step 4: Simplify right side
1,034,244,908.70x = 1,404,149,962,620,649,984 - Step 5: Solve for x
x = 1,404,149,962,620,649,984/1,034,244,908.70 - Step 6: Final answer
x = 1,357,657,118.55
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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.