Finding the Fourth Proportional to 1,008,498,271.68, 1,391,727,673.08 and 544,924,255.68
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Solution
The fourth proportional to 1,008,498,271.68, 1,391,727,673.08 and 544,924,255.68 is: 751,995,504.26
Step by Step Solution
- Step 1: Write the proportion equation
1,008,498,271.68 : 1,391,727,673.08 = 544,924,255.68 : x - Step 2: Convert to fraction form
1,008,498,271.68/1,391,727,673.08 = 544,924,255.68/x - Step 3: Cross multiply
1,008,498,271.68x = 1,391,727,673.08 × 544,924,255.68 - Step 4: Simplify right side
1,008,498,271.68x = 758,386,166,362,377,216 - Step 5: Solve for x
x = 758,386,166,362,377,216/1,008,498,271.68 - Step 6: Final answer
x = 751,995,504.26
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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.