Finding the Fourth Proportional to 1,461,553,238.70, 2,192,329,858.05 and 371,036,306.70
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Solution
The fourth proportional to 1,461,553,238.70, 2,192,329,858.05 and 371,036,306.70 is: 556,554,460.05
Step by Step Solution
- Step 1: Write the proportion equation
1,461,553,238.70 : 2,192,329,858.05 = 371,036,306.70 : x - Step 2: Convert to fraction form
1,461,553,238.70/2,192,329,858.05 = 371,036,306.70/x - Step 3: Cross multiply
1,461,553,238.70x = 2,192,329,858.05 × 371,036,306.70 - Step 4: Simplify right side
1,461,553,238.70x = 813,433,973,599,007,360 - Step 5: Solve for x
x = 813,433,973,599,007,360/1,461,553,238.70 - Step 6: Final answer
x = 556,554,460.05
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Double scale
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Similar ratio
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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.