Finding the Fourth Proportional to 6,378,113,206.80, 9,567,169,810.20 and 2,938,259,638.80
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Solution
The fourth proportional to 6,378,113,206.80, 9,567,169,810.20 and 2,938,259,638.80 is: 4,407,389,458.20
Step by Step Solution
- Step 1: Write the proportion equation
6,378,113,206.80 : 9,567,169,810.20 = 2,938,259,638.80 : x - Step 2: Convert to fraction form
6,378,113,206.80/9,567,169,810.20 = 2,938,259,638.80/x - Step 3: Cross multiply
6,378,113,206.80x = 9,567,169,810.20 × 2,938,259,638.80 - Step 4: Simplify right side
6,378,113,206.80x = 28,110,828,910,856,519,680 - Step 5: Solve for x
x = 28,110,828,910,856,519,680/6,378,113,206.80 - Step 6: Final answer
x = 4,407,389,458.20
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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.