Finding the Fourth Proportional to 1,541,557,329.10, 2,126,984,461.71 and 872,502,373.95
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Solution
The fourth proportional to 1,541,557,329.10, 2,126,984,461.71 and 872,502,373.95 is: 1,203,846,887.28
Step by Step Solution
- Step 1: Write the proportion equation
1,541,557,329.10 : 2,126,984,461.71 = 872,502,373.95 : x - Step 2: Convert to fraction form
1,541,557,329.10/2,126,984,461.71 = 872,502,373.95/x - Step 3: Cross multiply
1,541,557,329.10x = 2,126,984,461.71 × 872,502,373.95 - Step 4: Simplify right side
1,541,557,329.10x = 1,855,798,992,190,419,456 - Step 5: Solve for x
x = 1,855,798,992,190,419,456/1,541,557,329.10 - Step 6: Final answer
x = 1,203,846,887.28
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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.