Finding the Fourth Proportional to 7,186,236,133.30, 10,778,346,430.35 and 2,279,405,950.90
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Solution
The fourth proportional to 7,186,236,133.30, 10,778,346,430.35 and 2,279,405,950.90 is: 3,418,789,271.39
Step by Step Solution
- Step 1: Write the proportion equation
7,186,236,133.30 : 10,778,346,430.35 = 2,279,405,950.90 : x - Step 2: Convert to fraction form
7,186,236,133.30/10,778,346,430.35 = 2,279,405,950.90/x - Step 3: Cross multiply
7,186,236,133.30x = 10,778,346,430.35 × 2,279,405,950.90 - Step 4: Simplify right side
7,186,236,133.30x = 24,568,226,994,201,563,136 - Step 5: Solve for x
x = 24,568,226,994,201,563,136/7,186,236,133.30 - Step 6: Final answer
x = 3,418,789,271.39
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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.