Finding the Fourth Proportional to 3,120,436,850.99, 4,306,201,818.06 and 1,710,710,546.63
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Solution
The fourth proportional to 3,120,436,850.99, 4,306,201,818.06 and 1,710,710,546.63 is: 2,360,779,986.22
Step by Step Solution
- Step 1: Write the proportion equation
3,120,436,850.99 : 4,306,201,818.06 = 1,710,710,546.63 : x - Step 2: Convert to fraction form
3,120,436,850.99/4,306,201,818.06 = 1,710,710,546.63/x - Step 3: Cross multiply
3,120,436,850.99x = 4,306,201,818.06 × 1,710,710,546.63 - Step 4: Simplify right side
3,120,436,850.99x = 7,366,664,866,072,523,776 - Step 5: Solve for x
x = 7,366,664,866,072,523,776/3,120,436,850.99 - Step 6: Final answer
x = 2,360,779,986.22
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1.5x scale
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.