Finding the Fourth Proportional to 384,335,060.24, 530,420,320.68 and 219,347,313.68
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Solution
The fourth proportional to 384,335,060.24, 530,420,320.68 and 219,347,313.68 is: 302,720,944.56
Step by Step Solution
- Step 1: Write the proportion equation
384,335,060.24 : 530,420,320.68 = 219,347,313.68 : x - Step 2: Convert to fraction form
384,335,060.24/530,420,320.68 = 219,347,313.68/x - Step 3: Cross multiply
384,335,060.24x = 530,420,320.68 × 219,347,313.68 - Step 4: Simplify right side
384,335,060.24x = 116,346,272,462,442,160 - Step 5: Solve for x
x = 116,346,272,462,442,160/384,335,060.24 - Step 6: Final answer
x = 302,720,944.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.