Finding the Fourth Proportional to 2,186,172,430.80, 3,280,014,473.40 and 2,110,589,710.80
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Solution
The fourth proportional to 2,186,172,430.80, 3,280,014,473.40 and 2,110,589,710.80 is: 3,166,614,262.12
Step by Step Solution
- Step 1: Write the proportion equation
2,186,172,430.80 : 3,280,014,473.40 = 2,110,589,710.80 : x - Step 2: Convert to fraction form
2,186,172,430.80/3,280,014,473.40 = 2,110,589,710.80/x - Step 3: Cross multiply
2,186,172,430.80x = 3,280,014,473.40 × 2,110,589,710.80 - Step 4: Simplify right side
2,186,172,430.80x = 6,922,764,798,833,120,256 - Step 5: Solve for x
x = 6,922,764,798,833,120,256/2,186,172,430.80 - Step 6: Final answer
x = 3,166,614,262.12
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1.5x scale
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.