Finding the Fourth Proportional to 330,415,453.12, 495,679,644.38 and 136,220,711.58
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Solution
The fourth proportional to 330,415,453.12, 495,679,644.38 and 136,220,711.58 is: 204,354,346.13
Step by Step Solution
- Step 1: Write the proportion equation
330,415,453.12 : 495,679,644.38 = 136,220,711.58 : x - Step 2: Convert to fraction form
330,415,453.12/495,679,644.38 = 136,220,711.58/x - Step 3: Cross multiply
330,415,453.12x = 495,679,644.38 × 136,220,711.58 - Step 4: Simplify right side
330,415,453.12x = 67,521,833,873,164,952 - Step 5: Solve for x
x = 67,521,833,873,164,952/330,415,453.12 - Step 6: Final answer
x = 204,354,346.13
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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.