Finding the Fourth Proportional to 7,558,291,292.80, 11,337,436,939.20 and 3,417,869,891.20
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Solution
The fourth proportional to 7,558,291,292.80, 11,337,436,939.20 and 3,417,869,891.20 is: 5,126,804,836.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,291,292.80 : 11,337,436,939.20 = 3,417,869,891.20 : x - Step 2: Convert to fraction form
7,558,291,292.80/11,337,436,939.20 = 3,417,869,891.20/x - Step 3: Cross multiply
7,558,291,292.80x = 11,337,436,939.20 × 3,417,869,891.20 - Step 4: Simplify right side
7,558,291,292.80x = 38,749,884,357,870,362,624 - Step 5: Solve for x
x = 38,749,884,357,870,362,624/7,558,291,292.80 - Step 6: Final answer
x = 5,126,804,836.80
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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.