Finding the Fourth Proportional to 1,207,153,721.10, 1,810,730,581.65 and 1,135,728,050.70
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Solution
The fourth proportional to 1,207,153,721.10, 1,810,730,581.65 and 1,135,728,050.70 is: 1,703,592,076.05
Step by Step Solution
- Step 1: Write the proportion equation
1,207,153,721.10 : 1,810,730,581.65 = 1,135,728,050.70 : x - Step 2: Convert to fraction form
1,207,153,721.10/1,810,730,581.65 = 1,135,728,050.70/x - Step 3: Cross multiply
1,207,153,721.10x = 1,810,730,581.65 × 1,135,728,050.70 - Step 4: Simplify right side
1,207,153,721.10x = 2,056,497,513,840,231,936 - Step 5: Solve for x
x = 2,056,497,513,840,231,936/1,207,153,721.10 - Step 6: Final answer
x = 1,703,592,076.05
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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.