Finding the Fourth Proportional to 3,908,565,112.48, 5,862,843,936.24 and 1,000,515,294.88
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Solution
The fourth proportional to 3,908,565,112.48, 5,862,843,936.24 and 1,000,515,294.88 is: 1,500,771,986.88
Step by Step Solution
- Step 1: Write the proportion equation
3,908,565,112.48 : 5,862,843,936.24 = 1,000,515,294.88 : x - Step 2: Convert to fraction form
3,908,565,112.48/5,862,843,936.24 = 1,000,515,294.88/x - Step 3: Cross multiply
3,908,565,112.48x = 5,862,843,936.24 × 1,000,515,294.88 - Step 4: Simplify right side
3,908,565,112.48x = 5,865,865,029,702,583,296 - Step 5: Solve for x
x = 5,865,865,029,702,583,296/3,908,565,112.48 - Step 6: Final answer
x = 1,500,771,986.88
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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.