Finding the Fourth Proportional to 299,681,202.80, 449,017,919.40 and 248,284,953.20
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Solution
The fourth proportional to 299,681,202.80, 449,017,919.40 and 248,284,953.20 is: 372,009,962.80
Step by Step Solution
- Step 1: Write the proportion equation
299,681,202.80 : 449,017,919.40 = 248,284,953.20 : x - Step 2: Convert to fraction form
299,681,202.80/449,017,919.40 = 248,284,953.20/x - Step 3: Cross multiply
299,681,202.80x = 449,017,919.40 × 248,284,953.20 - Step 4: Simplify right side
299,681,202.80x = 111,484,393,104,190,368 - Step 5: Solve for x
x = 111,484,393,104,190,368/299,681,202.80 - Step 6: Final answer
x = 372,009,962.80
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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.