Finding the Fourth Proportional to 330,252,562.80, 495,378,844.20 and 294,539,727.60
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Solution
The fourth proportional to 330,252,562.80, 495,378,844.20 and 294,539,727.60 is: 441,809,591.40
Step by Step Solution
- Step 1: Write the proportion equation
330,252,562.80 : 495,378,844.20 = 294,539,727.60 : x - Step 2: Convert to fraction form
330,252,562.80/495,378,844.20 = 294,539,727.60/x - Step 3: Cross multiply
330,252,562.80x = 495,378,844.20 × 294,539,727.60 - Step 4: Simplify right side
330,252,562.80x = 145,908,749,829,470,848 - Step 5: Solve for x
x = 145,908,749,829,470,848/330,252,562.80 - Step 6: Final answer
x = 441,809,591.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.