Finding the Fourth Proportional to 319,807,184.48, 441,334,062.24 and 173,129,468.48
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Solution
The fourth proportional to 319,807,184.48, 441,334,062.24 and 173,129,468.48 is: 238,918,746.44
Step by Step Solution
- Step 1: Write the proportion equation
319,807,184.48 : 441,334,062.24 = 173,129,468.48 : x - Step 2: Convert to fraction form
319,807,184.48/441,334,062.24 = 173,129,468.48/x - Step 3: Cross multiply
319,807,184.48x = 441,334,062.24 × 173,129,468.48 - Step 4: Simplify right side
319,807,184.48x = 76,407,931,617,730,432 - Step 5: Solve for x
x = 76,407,931,617,730,432/319,807,184.48 - Step 6: Final answer
x = 238,918,746.44
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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.