Finding the Fourth Proportional to 447,394,878.36, 671,116,232.40 and 140,710,906.08
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Solution
The fourth proportional to 447,394,878.36, 671,116,232.40 and 140,710,906.08 is: 211,073,880.62
Step by Step Solution
- Step 1: Write the proportion equation
447,394,878.36 : 671,116,232.40 = 140,710,906.08 : x - Step 2: Convert to fraction form
447,394,878.36/671,116,232.40 = 140,710,906.08/x - Step 3: Cross multiply
447,394,878.36x = 671,116,232.40 × 140,710,906.08 - Step 4: Simplify right side
447,394,878.36x = 94,433,373,145,999,856 - Step 5: Solve for x
x = 94,433,373,145,999,856/447,394,878.36 - Step 6: Final answer
x = 211,073,880.62
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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.