Finding the Fourth Proportional to 437,005,473.44, 603,060,419.77 and 238,762,701.81
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Solution
The fourth proportional to 437,005,473.44, 603,060,419.77 and 238,762,701.81 is: 329,488,630.99
Step by Step Solution
- Step 1: Write the proportion equation
437,005,473.44 : 603,060,419.77 = 238,762,701.81 : x - Step 2: Convert to fraction form
437,005,473.44/603,060,419.77 = 238,762,701.81/x - Step 3: Cross multiply
437,005,473.44x = 603,060,419.77 × 238,762,701.81 - Step 4: Simplify right side
437,005,473.44x = 143,988,335,178,361,040 - Step 5: Solve for x
x = 143,988,335,178,361,040/437,005,473.44 - Step 6: Final answer
x = 329,488,630.99
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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.