Finding the Fourth Proportional to 4,292,352,020.80, 6,438,528,031.20 and 3,203,960,852.80
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Solution
The fourth proportional to 4,292,352,020.80, 6,438,528,031.20 and 3,203,960,852.80 is: 4,805,941,279.20
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,020.80 : 6,438,528,031.20 = 3,203,960,852.80 : x - Step 2: Convert to fraction form
4,292,352,020.80/6,438,528,031.20 = 3,203,960,852.80/x - Step 3: Cross multiply
4,292,352,020.80x = 6,438,528,031.20 × 3,203,960,852.80 - Step 4: Simplify right side
4,292,352,020.80x = 20,628,791,761,620,258,816 - Step 5: Solve for x
x = 20,628,791,761,620,258,816/4,292,352,020.80 - Step 6: Final answer
x = 4,805,941,279.20
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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.