Finding the Fourth Proportional to 1,461,553,239.70, 2,192,329,859.55 and 371,036,307.70
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Solution
The fourth proportional to 1,461,553,239.70, 2,192,329,859.55 and 371,036,307.70 is: 556,554,461.55
Step by Step Solution
- Step 1: Write the proportion equation
1,461,553,239.70 : 2,192,329,859.55 = 371,036,307.70 : x - Step 2: Convert to fraction form
1,461,553,239.70/2,192,329,859.55 = 371,036,307.70/x - Step 3: Cross multiply
1,461,553,239.70x = 2,192,329,859.55 × 371,036,307.70 - Step 4: Simplify right side
1,461,553,239.70x = 813,433,976,347,891,584 - Step 5: Solve for x
x = 813,433,976,347,891,584/1,461,553,239.70 - Step 6: Final answer
x = 556,554,461.55
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1.5x scale
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.