Finding the Fourth Proportional to 7,877,710,211.98, 10,871,207,588.01 and 4,260,737,989.53
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Solution
The fourth proportional to 7,877,710,211.98, 10,871,207,588.01 and 4,260,737,989.53 is: 5,879,800,845.16
Step by Step Solution
- Step 1: Write the proportion equation
7,877,710,211.98 : 10,871,207,588.01 = 4,260,737,989.53 : x - Step 2: Convert to fraction form
7,877,710,211.98/10,871,207,588.01 = 4,260,737,989.53/x - Step 3: Cross multiply
7,877,710,211.98x = 10,871,207,588.01 × 4,260,737,989.53 - Step 4: Simplify right side
7,877,710,211.98x = 46,319,367,162,301,014,016 - Step 5: Solve for x
x = 46,319,367,162,301,014,016/7,877,710,211.98 - Step 6: Final answer
x = 5,879,800,845.16
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1.5x scale
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.