Finding the Fourth Proportional to 368,361,302.19, 508,335,479.24 and 203,345,328.75
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Solution
The fourth proportional to 368,361,302.19, 508,335,479.24 and 203,345,328.75 is: 280,614,832.57
Step by Step Solution
- Step 1: Write the proportion equation
368,361,302.19 : 508,335,479.24 = 203,345,328.75 : x - Step 2: Convert to fraction form
368,361,302.19/508,335,479.24 = 203,345,328.75/x - Step 3: Cross multiply
368,361,302.19x = 508,335,479.24 × 203,345,328.75 - Step 4: Simplify right side
368,361,302.19x = 103,367,645,140,329,872 - Step 5: Solve for x
x = 103,367,645,140,329,872/368,361,302.19 - Step 6: Final answer
x = 280,614,832.57
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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.