Finding the Fourth Proportional to 5,727,334,880.65, 7,899,244,574.36 and 3,720,816,511.80
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Solution
The fourth proportional to 5,727,334,880.65, 7,899,244,574.36 and 3,720,816,511.80 is: 5,131,817,897.07
Step by Step Solution
- Step 1: Write the proportion equation
5,727,334,880.65 : 7,899,244,574.36 = 3,720,816,511.80 : x - Step 2: Convert to fraction form
5,727,334,880.65/7,899,244,574.36 = 3,720,816,511.80/x - Step 3: Cross multiply
5,727,334,880.65x = 7,899,244,574.36 × 3,720,816,511.80 - Step 4: Simplify right side
5,727,334,880.65x = 29,391,639,643,026,599,936 - Step 5: Solve for x
x = 29,391,639,643,026,599,936/5,727,334,880.65 - Step 6: Final answer
x = 5,131,817,897.07
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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.