Finding the Fourth Proportional to 6,438,528,078.35, 9,657,792,117.53 and 6,257,129,550.35
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Solution
The fourth proportional to 6,438,528,078.35, 9,657,792,117.53 and 6,257,129,550.35 is: 9,385,694,325.53
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,078.35 : 9,657,792,117.53 = 6,257,129,550.35 : x - Step 2: Convert to fraction form
6,438,528,078.35/9,657,792,117.53 = 6,257,129,550.35/x - Step 3: Cross multiply
6,438,528,078.35x = 9,657,792,117.53 × 6,257,129,550.35 - Step 4: Simplify right side
6,438,528,078.35x = 60,430,056,449,734,270,976 - Step 5: Solve for x
x = 60,430,056,449,734,270,976/6,438,528,078.35 - Step 6: Final answer
x = 9,385,694,325.53
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Double scale
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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.