Finding the Fourth Proportional to 299,413,702.20, 448,637,663.70 and 169,635,372.60
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Solution
The fourth proportional to 299,413,702.20, 448,637,663.70 and 169,635,372.60 is: 254,179,473.70
Step by Step Solution
- Step 1: Write the proportion equation
299,413,702.20 : 448,637,663.70 = 169,635,372.60 : x - Step 2: Convert to fraction form
299,413,702.20/448,637,663.70 = 169,635,372.60/x - Step 3: Cross multiply
299,413,702.20x = 448,637,663.70 × 169,635,372.60 - Step 4: Simplify right side
299,413,702.20x = 76,104,817,244,142,992 - Step 5: Solve for x
x = 76,104,817,244,142,992/299,413,702.20 - Step 6: Final answer
x = 254,179,473.70
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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.