Finding the Fourth Proportional to 3,817,889,690.55, 5,727,658,825.52 and 1,162,153,440.11
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Solution
The fourth proportional to 3,817,889,690.55, 5,727,658,825.52 and 1,162,153,440.11 is: 1,743,481,071.32
Step by Step Solution
- Step 1: Write the proportion equation
3,817,889,690.55 : 5,727,658,825.52 = 1,162,153,440.11 : x - Step 2: Convert to fraction form
3,817,889,690.55/5,727,658,825.52 = 1,162,153,440.11/x - Step 3: Cross multiply
3,817,889,690.55x = 5,727,658,825.52 × 1,162,153,440.11 - Step 4: Simplify right side
3,817,889,690.55x = 6,656,418,407,854,470,144 - Step 5: Solve for x
x = 6,656,418,407,854,470,144/3,817,889,690.55 - Step 6: Final answer
x = 1,743,481,071.32
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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.