Finding the Fourth Proportional to 9,657,792,221.20, 14,486,688,331.80 and 8,025,205,469.20
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Solution
The fourth proportional to 9,657,792,221.20, 14,486,688,331.80 and 8,025,205,469.20 is: 12,037,808,203.80
Step by Step Solution
- Step 1: Write the proportion equation
9,657,792,221.20 : 14,486,688,331.80 = 8,025,205,469.20 : x - Step 2: Convert to fraction form
9,657,792,221.20/14,486,688,331.80 = 8,025,205,469.20/x - Step 3: Cross multiply
9,657,792,221.20x = 14,486,688,331.80 × 8,025,205,469.20 - Step 4: Simplify right side
9,657,792,221.20x = 116,258,650,430,957,174,784 - Step 5: Solve for x
x = 116,258,650,430,957,174,784/9,657,792,221.20 - Step 6: Final answer
x = 12,037,808,203.80
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Similar ratio
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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.