Finding the Fourth Proportional to 1,173,668,565.80, 1,758,991,194.30 and 899,681,205.80
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Solution
The fourth proportional to 1,173,668,565.80, 1,758,991,194.30 and 899,681,205.80 is: 1,348,363,042.85
Step by Step Solution
- Step 1: Write the proportion equation
1,173,668,565.80 : 1,758,991,194.30 = 899,681,205.80 : x - Step 2: Convert to fraction form
1,173,668,565.80/1,758,991,194.30 = 899,681,205.80/x - Step 3: Cross multiply
1,173,668,565.80x = 1,758,991,194.30 × 899,681,205.80 - Step 4: Simplify right side
1,173,668,565.80x = 1,582,531,318,679,406,080 - Step 5: Solve for x
x = 1,582,531,318,679,406,080/1,173,668,565.80 - Step 6: Final answer
x = 1,348,363,042.85
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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.