Finding the Fourth Proportional to 294,772,080.80, 442,158,121.20 and 266,074,266.80
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Solution
The fourth proportional to 294,772,080.80, 442,158,121.20 and 266,074,266.80 is: 399,111,400.20
Step by Step Solution
- Step 1: Write the proportion equation
294,772,080.80 : 442,158,121.20 = 266,074,266.80 : x - Step 2: Convert to fraction form
294,772,080.80/442,158,121.20 = 266,074,266.80/x - Step 3: Cross multiply
294,772,080.80x = 442,158,121.20 × 266,074,266.80 - Step 4: Simplify right side
294,772,080.80x = 117,646,897,907,955,536 - Step 5: Solve for x
x = 117,646,897,907,955,536/294,772,080.80 - Step 6: Final answer
x = 399,111,400.20
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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.