Finding the Fourth Proportional to 1,583,073,959.40, 2,184,644,634 and 878,225,959.08
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Solution
The fourth proportional to 1,583,073,959.40, 2,184,644,634 and 878,225,959.08 is: 1,211,953,249.28
Step by Step Solution
- Step 1: Write the proportion equation
1,583,073,959.40 : 2,184,644,634 = 878,225,959.08 : x - Step 2: Convert to fraction form
1,583,073,959.40/2,184,644,634 = 878,225,959.08/x - Step 3: Cross multiply
1,583,073,959.40x = 2,184,644,634 × 878,225,959.08 - Step 4: Simplify right side
1,583,073,959.40x = 1,918,611,628,943,625,728 - Step 5: Solve for x
x = 1,918,611,628,943,625,728/1,583,073,959.40 - Step 6: Final answer
x = 1,211,953,249.28
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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.