Finding the Fourth Proportional to 1,679,446,853.04, 2,318,784,198.84 and 1,086,167,290.80
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Solution
The fourth proportional to 1,679,446,853.04, 2,318,784,198.84 and 1,086,167,290.80 is: 1,499,653,023.64
Step by Step Solution
- Step 1: Write the proportion equation
1,679,446,853.04 : 2,318,784,198.84 = 1,086,167,290.80 : x - Step 2: Convert to fraction form
1,679,446,853.04/2,318,784,198.84 = 1,086,167,290.80/x - Step 3: Cross multiply
1,679,446,853.04x = 2,318,784,198.84 × 1,086,167,290.80 - Step 4: Simplify right side
1,679,446,853.04x = 2,518,587,551,203,891,200 - Step 5: Solve for x
x = 2,518,587,551,203,891,200/1,679,446,853.04 - Step 6: Final answer
x = 1,499,653,023.64
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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.