Finding the Fourth Proportional to 1,095,620,594.78, 1,643,454,817.95 and 659,286,276.14
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Solution
The fourth proportional to 1,095,620,594.78, 1,643,454,817.95 and 659,286,276.14 is: 988,943,811.47
Step by Step Solution
- Step 1: Write the proportion equation
1,095,620,594.78 : 1,643,454,817.95 = 659,286,276.14 : x - Step 2: Convert to fraction form
1,095,620,594.78/1,643,454,817.95 = 659,286,276.14/x - Step 3: Cross multiply
1,095,620,594.78x = 1,643,454,817.95 × 659,286,276.14 - Step 4: Simplify right side
1,095,620,594.78x = 1,083,507,206,919,083,392 - Step 5: Solve for x
x = 1,083,507,206,919,083,392/1,095,620,594.78 - Step 6: Final answer
x = 988,943,811.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.