Finding the Fourth Proportional to 9,657,792,137.20, 14,486,688,205.80 and 8,025,205,385.20
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Solution
The fourth proportional to 9,657,792,137.20, 14,486,688,205.80 and 8,025,205,385.20 is: 12,037,808,077.80
Step by Step Solution
- Step 1: Write the proportion equation
9,657,792,137.20 : 14,486,688,205.80 = 8,025,205,385.20 : x - Step 2: Convert to fraction form
9,657,792,137.20/14,486,688,205.80 = 8,025,205,385.20/x - Step 3: Cross multiply
9,657,792,137.20x = 14,486,688,205.80 × 8,025,205,385.20 - Step 4: Simplify right side
9,657,792,137.20x = 116,258,648,202,899,472,384 - Step 5: Solve for x
x = 116,258,648,202,899,472,384/9,657,792,137.20 - Step 6: Final answer
x = 12,037,808,077.80
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Double scale
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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.