Finding the Fourth Proportional to 1,515,341,026.24, 2,075,982,466.64 and 1,458,686,555.80
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Solution
The fourth proportional to 1,515,341,026.24, 2,075,982,466.64 and 1,458,686,555.80 is: 1,998,367,140.95
Step by Step Solution
- Step 1: Write the proportion equation
1,515,341,026.24 : 2,075,982,466.64 = 1,458,686,555.80 : x - Step 2: Convert to fraction form
1,515,341,026.24/2,075,982,466.64 = 1,458,686,555.80/x - Step 3: Cross multiply
1,515,341,026.24x = 2,075,982,466.64 × 1,458,686,555.80 - Step 4: Simplify right side
1,515,341,026.24x = 3,028,207,714,164,290,048 - Step 5: Solve for x
x = 3,028,207,714,164,290,048/1,515,341,026.24 - Step 6: Final answer
x = 1,998,367,140.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.