Finding the Fourth Proportional to 2,292,035,999.40, 3,438,053,999.10 and 739,377,973.80
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Solution
The fourth proportional to 2,292,035,999.40, 3,438,053,999.10 and 739,377,973.80 is: 1,109,066,960.70
Step by Step Solution
- Step 1: Write the proportion equation
2,292,035,999.40 : 3,438,053,999.10 = 739,377,973.80 : x - Step 2: Convert to fraction form
2,292,035,999.40/3,438,053,999.10 = 739,377,973.80/x - Step 3: Cross multiply
2,292,035,999.40x = 3,438,053,999.10 × 739,377,973.80 - Step 4: Simplify right side
2,292,035,999.40x = 2,542,021,399,669,544,960 - Step 5: Solve for x
x = 2,542,021,399,669,544,960/2,292,035,999.40 - Step 6: Final answer
x = 1,109,066,960.70
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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.