Finding the Fourth Proportional to 3,216,289,952.80, 4,824,434,929.20 and 1,376,228,634.40
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Solution
The fourth proportional to 3,216,289,952.80, 4,824,434,929.20 and 1,376,228,634.40 is: 2,064,342,951.60
Step by Step Solution
- Step 1: Write the proportion equation
3,216,289,952.80 : 4,824,434,929.20 = 1,376,228,634.40 : x - Step 2: Convert to fraction form
3,216,289,952.80/4,824,434,929.20 = 1,376,228,634.40/x - Step 3: Cross multiply
3,216,289,952.80x = 4,824,434,929.20 × 1,376,228,634.40 - Step 4: Simplify right side
3,216,289,952.80x = 6,639,525,494,364,576,768 - Step 5: Solve for x
x = 6,639,525,494,364,576,768/3,216,289,952.80 - Step 6: Final answer
x = 2,064,342,951.60
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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.