Finding the Fourth Proportional to 7,877,710,210.98, 10,871,207,586.63 and 4,260,737,988.53
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Solution
The fourth proportional to 7,877,710,210.98, 10,871,207,586.63 and 4,260,737,988.53 is: 5,879,800,843.78
Step by Step Solution
- Step 1: Write the proportion equation
7,877,710,210.98 : 10,871,207,586.63 = 4,260,737,988.53 : x - Step 2: Convert to fraction form
7,877,710,210.98/10,871,207,586.63 = 4,260,737,988.53/x - Step 3: Cross multiply
7,877,710,210.98x = 10,871,207,586.63 × 4,260,737,988.53 - Step 4: Simplify right side
7,877,710,210.98x = 46,319,367,145,549,979,648 - Step 5: Solve for x
x = 46,319,367,145,549,979,648/7,877,710,210.98 - Step 6: Final answer
x = 5,879,800,843.78
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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.