Finding the Fourth Proportional to 3,149,291,663.60, 4,723,937,495.40 and 2,980,931,154.80
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Solution
The fourth proportional to 3,149,291,663.60, 4,723,937,495.40 and 2,980,931,154.80 is: 4,471,396,732.20
Step by Step Solution
- Step 1: Write the proportion equation
3,149,291,663.60 : 4,723,937,495.40 = 2,980,931,154.80 : x - Step 2: Convert to fraction form
3,149,291,663.60/4,723,937,495.40 = 2,980,931,154.80/x - Step 3: Cross multiply
3,149,291,663.60x = 4,723,937,495.40 × 2,980,931,154.80 - Step 4: Simplify right side
3,149,291,663.60x = 14,081,732,453,365,741,568 - Step 5: Solve for x
x = 14,081,732,453,365,741,568/3,149,291,663.60 - Step 6: Final answer
x = 4,471,396,732.20
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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.