Finding the Fourth Proportional to 4,249,341,252.20, 6,374,011,878.30 and 3,361,622,205.80
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Solution
The fourth proportional to 4,249,341,252.20, 6,374,011,878.30 and 3,361,622,205.80 is: 5,042,433,308.70
Step by Step Solution
- Step 1: Write the proportion equation
4,249,341,252.20 : 6,374,011,878.30 = 3,361,622,205.80 : x - Step 2: Convert to fraction form
4,249,341,252.20/6,374,011,878.30 = 3,361,622,205.80/x - Step 3: Cross multiply
4,249,341,252.20x = 6,374,011,878.30 × 3,361,622,205.80 - Step 4: Simplify right side
4,249,341,252.20x = 21,427,019,870,126,247,936 - Step 5: Solve for x
x = 21,427,019,870,126,247,936/4,249,341,252.20 - Step 6: Final answer
x = 5,042,433,308.70
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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.