Finding the Fourth Proportional to 7,726,391,700.80, 11,589,587,551.20 and 2,817,434,004.80
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Solution
The fourth proportional to 7,726,391,700.80, 11,589,587,551.20 and 2,817,434,004.80 is: 4,226,151,007.20
Step by Step Solution
- Step 1: Write the proportion equation
7,726,391,700.80 : 11,589,587,551.20 = 2,817,434,004.80 : x - Step 2: Convert to fraction form
7,726,391,700.80/11,589,587,551.20 = 2,817,434,004.80/x - Step 3: Cross multiply
7,726,391,700.80x = 11,589,587,551.20 × 2,817,434,004.80 - Step 4: Simplify right side
7,726,391,700.80x = 32,652,898,068,357,644,288 - Step 5: Solve for x
x = 32,652,898,068,357,644,288/7,726,391,700.80 - Step 6: Final answer
x = 4,226,151,007.20
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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.