Finding the Fourth Proportional to 294,046,979.20, 441,070,468.80 and 121,466,435.20
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Solution
The fourth proportional to 294,046,979.20, 441,070,468.80 and 121,466,435.20 is: 182,199,652.80
Step by Step Solution
- Step 1: Write the proportion equation
294,046,979.20 : 441,070,468.80 = 121,466,435.20 : x - Step 2: Convert to fraction form
294,046,979.20/441,070,468.80 = 121,466,435.20/x - Step 3: Cross multiply
294,046,979.20x = 441,070,468.80 × 121,466,435.20 - Step 4: Simplify right side
294,046,979.20x = 53,575,257,517,128,824 - Step 5: Solve for x
x = 53,575,257,517,128,824/294,046,979.20 - Step 6: Final answer
x = 182,199,652.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.