Finding the Fourth Proportional to 330,929,690.54, 495,748,759.44 and 257,804,073.14
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Solution
The fourth proportional to 330,929,690.54, 495,748,759.44 and 257,804,073.14 is: 386,203,030.71
Step by Step Solution
- Step 1: Write the proportion equation
330,929,690.54 : 495,748,759.44 = 257,804,073.14 : x - Step 2: Convert to fraction form
330,929,690.54/495,748,759.44 = 257,804,073.14/x - Step 3: Cross multiply
330,929,690.54x = 495,748,759.44 × 257,804,073.14 - Step 4: Simplify right side
330,929,690.54x = 127,806,049,437,734,016 - Step 5: Solve for x
x = 127,806,049,437,734,016/330,929,690.54 - Step 6: Final answer
x = 386,203,030.71
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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.