Finding the Fourth Proportional to 896,195,649,133.44, 1,236,753,721,958.40 and 484,664,127,813.12
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Solution
The fourth proportional to 896,195,649,133.44, 1,236,753,721,958.40 and 484,664,127,813.12 is: 668,838,511,492.65
Step by Step Solution
- Step 1: Write the proportion equation
896,195,649,133.44 : 1,236,753,721,958.40 = 484,664,127,813.12 : x - Step 2: Convert to fraction form
896,195,649,133.44/1,236,753,721,958.40 = 484,664,127,813.12/x - Step 3: Cross multiply
896,195,649,133.44x = 1,236,753,721,958.40 × 484,664,127,813.12 - Step 4: Simplify right side
896,195,649,133.44x = 599,410,163,972,597,811,773,440 - Step 5: Solve for x
x = 599,410,163,972,597,811,773,440/896,195,649,133.44 - Step 6: Final answer
x = 668,838,511,492.65
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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.