Finding the Fourth Proportional to 9,657,792,389.80, 14,486,688,584.70 and 8,280,297,317.80
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Solution
The fourth proportional to 9,657,792,389.80, 14,486,688,584.70 and 8,280,297,317.80 is: 12,420,445,976.70
Step by Step Solution
- Step 1: Write the proportion equation
9,657,792,389.80 : 14,486,688,584.70 = 8,280,297,317.80 : x - Step 2: Convert to fraction form
9,657,792,389.80/14,486,688,584.70 = 8,280,297,317.80/x - Step 3: Cross multiply
9,657,792,389.80x = 14,486,688,584.70 × 8,280,297,317.80 - Step 4: Simplify right side
9,657,792,389.80x = 119,954,088,631,695,294,464 - Step 5: Solve for x
x = 119,954,088,631,695,294,464/9,657,792,389.80 - Step 6: Final answer
x = 12,420,445,976.70
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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.