Finding the Fourth Proportional to 372,703,746.28, 514,354,181.63 and 205,439,630.82
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Solution
The fourth proportional to 372,703,746.28, 514,354,181.63 and 205,439,630.82 is: 283,519,374.94
Step by Step Solution
- Step 1: Write the proportion equation
372,703,746.28 : 514,354,181.63 = 205,439,630.82 : x - Step 2: Convert to fraction form
372,703,746.28/514,354,181.63 = 205,439,630.82/x - Step 3: Cross multiply
372,703,746.28x = 514,354,181.63 × 205,439,630.82 - Step 4: Simplify right side
372,703,746.28x = 105,668,733,184,790,416 - Step 5: Solve for x
x = 105,668,733,184,790,416/372,703,746.28 - Step 6: Final answer
x = 283,519,374.94
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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.