Finding the Fourth Proportional to 469,329,065.84, 647,706,846.84 and 310,282,859.84
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Solution
The fourth proportional to 469,329,065.84, 647,706,846.84 and 310,282,859.84 is: 428,211,988.99
Step by Step Solution
- Step 1: Write the proportion equation
469,329,065.84 : 647,706,846.84 = 310,282,859.84 : x - Step 2: Convert to fraction form
469,329,065.84/647,706,846.84 = 310,282,859.84/x - Step 3: Cross multiply
469,329,065.84x = 647,706,846.84 × 310,282,859.84 - Step 4: Simplify right side
469,329,065.84x = 200,972,332,775,464,064 - Step 5: Solve for x
x = 200,972,332,775,464,064/469,329,065.84 - Step 6: Final answer
x = 428,211,988.99
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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.