Finding the Fourth Proportional to 1,881,315,799.92, 2,596,361,033.52 and 1,128,657,164.40
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Solution
The fourth proportional to 1,881,315,799.92, 2,596,361,033.52 and 1,128,657,164.40 is: 1,557,634,014.44
Step by Step Solution
- Step 1: Write the proportion equation
1,881,315,799.92 : 2,596,361,033.52 = 1,128,657,164.40 : x - Step 2: Convert to fraction form
1,881,315,799.92/2,596,361,033.52 = 1,128,657,164.40/x - Step 3: Cross multiply
1,881,315,799.92x = 2,596,361,033.52 × 1,128,657,164.40 - Step 4: Simplify right side
1,881,315,799.92x = 2,930,401,481,851,336,704 - Step 5: Solve for x
x = 2,930,401,481,851,336,704/1,881,315,799.92 - Step 6: Final answer
x = 1,557,634,014.44
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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.