Finding the Fourth Proportional to 2,633,303,720.09, 3,949,947,706.53 and 668,153,000.09
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Solution
The fourth proportional to 2,633,303,720.09, 3,949,947,706.53 and 668,153,000.09 is: 1,002,227,502.34
Step by Step Solution
- Step 1: Write the proportion equation
2,633,303,720.09 : 3,949,947,706.53 = 668,153,000.09 : x - Step 2: Convert to fraction form
2,633,303,720.09/3,949,947,706.53 = 668,153,000.09/x - Step 3: Cross multiply
2,633,303,720.09x = 3,949,947,706.53 × 668,153,000.09 - Step 4: Simplify right side
2,633,303,720.09x = 2,639,169,410,293,543,936 - Step 5: Solve for x
x = 2,639,169,410,293,543,936/2,633,303,720.09 - Step 6: Final answer
x = 1,002,227,502.34
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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.