Finding the Fourth Proportional to 7,877,710,207.98, 10,871,207,582.49 and 4,260,737,985.53
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Solution
The fourth proportional to 7,877,710,207.98, 10,871,207,582.49 and 4,260,737,985.53 is: 5,879,800,839.63
Step by Step Solution
- Step 1: Write the proportion equation
7,877,710,207.98 : 10,871,207,582.49 = 4,260,737,985.53 : x - Step 2: Convert to fraction form
7,877,710,207.98/10,871,207,582.49 = 4,260,737,985.53/x - Step 3: Cross multiply
7,877,710,207.98x = 10,871,207,582.49 × 4,260,737,985.53 - Step 4: Simplify right side
7,877,710,207.98x = 46,319,367,095,242,547,200 - Step 5: Solve for x
x = 46,319,367,095,242,547,200/7,877,710,207.98 - Step 6: Final answer
x = 5,879,800,839.63
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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.