Finding the Fourth Proportional to 1,770,315,902.16, 2,444,138,488.19 and 1,126,934,855.18
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Solution
The fourth proportional to 1,770,315,902.16, 2,444,138,488.19 and 1,126,934,855.18 is: 1,555,871,949.11
Step by Step Solution
- Step 1: Write the proportion equation
1,770,315,902.16 : 2,444,138,488.19 = 1,126,934,855.18 : x - Step 2: Convert to fraction form
1,770,315,902.16/2,444,138,488.19 = 1,126,934,855.18/x - Step 3: Cross multiply
1,770,315,902.16x = 2,444,138,488.19 × 1,126,934,855.18 - Step 4: Simplify right side
1,770,315,902.16x = 2,754,384,853,240,798,720 - Step 5: Solve for x
x = 2,754,384,853,240,798,720/1,770,315,902.16 - Step 6: Final answer
x = 1,555,871,949.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.