Finding the Fourth Proportional to 7,968,117,181.19, 10,992,030,089.73 and 4,750,758,088.26
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Solution
The fourth proportional to 7,968,117,181.19, 10,992,030,089.73 and 4,750,758,088.26 is: 6,553,678,198.72
Step by Step Solution
- Step 1: Write the proportion equation
7,968,117,181.19 : 10,992,030,089.73 = 4,750,758,088.26 : x - Step 2: Convert to fraction form
7,968,117,181.19/10,992,030,089.73 = 4,750,758,088.26/x - Step 3: Cross multiply
7,968,117,181.19x = 10,992,030,089.73 × 4,750,758,088.26 - Step 4: Simplify right side
7,968,117,181.19x = 52,220,475,855,148,720,128 - Step 5: Solve for x
x = 52,220,475,855,148,720,128/7,968,117,181.19 - Step 6: Final answer
x = 6,553,678,198.72
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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.