Finding the Fourth Proportional to 2,784,811,887.69, 4,176,763,752.24 and 819,205,272.60
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Solution
The fourth proportional to 2,784,811,887.69, 4,176,763,752.24 and 819,205,272.60 is: 1,228,674,332.86
Step by Step Solution
- Step 1: Write the proportion equation
2,784,811,887.69 : 4,176,763,752.24 = 819,205,272.60 : x - Step 2: Convert to fraction form
2,784,811,887.69/4,176,763,752.24 = 819,205,272.60/x - Step 3: Cross multiply
2,784,811,887.69x = 4,176,763,752.24 × 819,205,272.60 - Step 4: Simplify right side
2,784,811,887.69x = 3,421,626,888,239,567,872 - Step 5: Solve for x
x = 3,421,626,888,239,567,872/2,784,811,887.69 - Step 6: Final answer
x = 1,228,674,332.86
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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.