Finding the Fourth Proportional to 4,887,040,823.60, 7,330,561,235.40 and 1,781,724,772.40
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Solution
The fourth proportional to 4,887,040,823.60, 7,330,561,235.40 and 1,781,724,772.40 is: 2,672,587,158.60
Step by Step Solution
- Step 1: Write the proportion equation
4,887,040,823.60 : 7,330,561,235.40 = 1,781,724,772.40 : x - Step 2: Convert to fraction form
4,887,040,823.60/7,330,561,235.40 = 1,781,724,772.40/x - Step 3: Cross multiply
4,887,040,823.60x = 7,330,561,235.40 × 1,781,724,772.40 - Step 4: Simplify right side
4,887,040,823.60x = 13,061,042,548,707,328,000 - Step 5: Solve for x
x = 13,061,042,548,707,328,000/4,887,040,823.60 - Step 6: Final answer
x = 2,672,587,158.60
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1.5x scale
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.