Finding the Fourth Proportional to 360,232,774.08, 497,121,653.21 and 195,220,343.58
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Solution
The fourth proportional to 360,232,774.08, 497,121,653.21 and 195,220,343.58 is: 269,404,304.45
Step by Step Solution
- Step 1: Write the proportion equation
360,232,774.08 : 497,121,653.21 = 195,220,343.58 : x - Step 2: Convert to fraction form
360,232,774.08/497,121,653.21 = 195,220,343.58/x - Step 3: Cross multiply
360,232,774.08x = 497,121,653.21 × 195,220,343.58 - Step 4: Simplify right side
360,232,774.08x = 97,048,259,939,737,712 - Step 5: Solve for x
x = 97,048,259,939,737,712/360,232,774.08 - Step 6: Final answer
x = 269,404,304.45
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1.5x scale
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.