Finding the Fourth Proportional to 1,625,378,654.76, 2,242,984,393.38 and 956,367,031.08
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Solution
The fourth proportional to 1,625,378,654.76, 2,242,984,393.38 and 956,367,031.08 is: 1,319,764,055.45
Step by Step Solution
- Step 1: Write the proportion equation
1,625,378,654.76 : 2,242,984,393.38 = 956,367,031.08 : x - Step 2: Convert to fraction form
1,625,378,654.76/2,242,984,393.38 = 956,367,031.08/x - Step 3: Cross multiply
1,625,378,654.76x = 2,242,984,393.38 × 956,367,031.08 - Step 4: Simplify right side
1,625,378,654.76x = 2,145,116,325,055,605,504 - Step 5: Solve for x
x = 2,145,116,325,055,605,504/1,625,378,654.76 - Step 6: Final answer
x = 1,319,764,055.45
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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.