Finding the Fourth Proportional to 1,474,482,660.45, 2,034,793,006.62 and 805,436,987.31
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Solution
The fourth proportional to 1,474,482,660.45, 2,034,793,006.62 and 805,436,987.31 is: 1,111,506,830.84
Step by Step Solution
- Step 1: Write the proportion equation
1,474,482,660.45 : 2,034,793,006.62 = 805,436,987.31 : x - Step 2: Convert to fraction form
1,474,482,660.45/2,034,793,006.62 = 805,436,987.31/x - Step 3: Cross multiply
1,474,482,660.45x = 2,034,793,006.62 × 805,436,987.31 - Step 4: Simplify right side
1,474,482,660.45x = 1,638,897,549,051,469,568 - Step 5: Solve for x
x = 1,638,897,549,051,469,568/1,474,482,660.45 - Step 6: Final answer
x = 1,111,506,830.84
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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.