Finding the Fourth Proportional to 1,839,869,955.80, 2,759,804,933.70 and 1,656,203,946.20
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Solution
The fourth proportional to 1,839,869,955.80, 2,759,804,933.70 and 1,656,203,946.20 is: 2,484,305,919.30
Step by Step Solution
- Step 1: Write the proportion equation
1,839,869,955.80 : 2,759,804,933.70 = 1,656,203,946.20 : x - Step 2: Convert to fraction form
1,839,869,955.80/2,759,804,933.70 = 1,656,203,946.20/x - Step 3: Cross multiply
1,839,869,955.80x = 2,759,804,933.70 × 1,656,203,946.20 - Step 4: Simplify right side
1,839,869,955.80x = 4,570,799,821,936,168,960 - Step 5: Solve for x
x = 4,570,799,821,936,168,960/1,839,869,955.80 - Step 6: Final answer
x = 2,484,305,919.30
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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.