Finding the Fourth Proportional to 775,464,846.75, 1,069,995,129.68 and 462,228,206.94
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Solution
The fourth proportional to 775,464,846.75, 1,069,995,129.68 and 462,228,206.94 is: 637,787,686.06
Step by Step Solution
- Step 1: Write the proportion equation
775,464,846.75 : 1,069,995,129.68 = 462,228,206.94 : x - Step 2: Convert to fraction form
775,464,846.75/1,069,995,129.68 = 462,228,206.94/x - Step 3: Cross multiply
775,464,846.75x = 1,069,995,129.68 × 462,228,206.94 - Step 4: Simplify right side
775,464,846.75x = 494,581,930,227,674,752 - Step 5: Solve for x
x = 494,581,930,227,674,752/775,464,846.75 - Step 6: Final answer
x = 637,787,686.06
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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.