Finding the Fourth Proportional to 1,008,498,272.68, 1,391,727,674.46 and 544,924,256.68
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Solution
The fourth proportional to 1,008,498,272.68, 1,391,727,674.46 and 544,924,256.68 is: 751,995,505.64
Step by Step Solution
- Step 1: Write the proportion equation
1,008,498,272.68 : 1,391,727,674.46 = 544,924,256.68 : x - Step 2: Convert to fraction form
1,008,498,272.68/1,391,727,674.46 = 544,924,256.68/x - Step 3: Cross multiply
1,008,498,272.68x = 1,391,727,674.46 × 544,924,256.68 - Step 4: Simplify right side
1,008,498,272.68x = 758,386,168,506,100,480 - Step 5: Solve for x
x = 758,386,168,506,100,480/1,008,498,272.68 - Step 6: Final answer
x = 751,995,505.64
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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.