Finding the Fourth Proportional to 1,455,515,855.04, 2,183,499,515.79 and 615,162,135.99
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Solution
The fourth proportional to 1,455,515,855.04, 2,183,499,515.79 and 615,162,135.99 is: 922,838,608.33
Step by Step Solution
- Step 1: Write the proportion equation
1,455,515,855.04 : 2,183,499,515.79 = 615,162,135.99 : x - Step 2: Convert to fraction form
1,455,515,855.04/2,183,499,515.79 = 615,162,135.99/x - Step 3: Cross multiply
1,455,515,855.04x = 2,183,499,515.79 × 615,162,135.99 - Step 4: Simplify right side
1,455,515,855.04x = 1,343,206,226,066,507,008 - Step 5: Solve for x
x = 1,343,206,226,066,507,008/1,455,515,855.04 - Step 6: Final answer
x = 922,838,608.33
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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.