Finding the Fourth Proportional to 6,438,528,087.60, 9,657,792,131.40 and 4,683,497,329.20
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Solution
The fourth proportional to 6,438,528,087.60, 9,657,792,131.40 and 4,683,497,329.20 is: 7,025,245,993.80
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,087.60 : 9,657,792,131.40 = 4,683,497,329.20 : x - Step 2: Convert to fraction form
6,438,528,087.60/9,657,792,131.40 = 4,683,497,329.20/x - Step 3: Cross multiply
6,438,528,087.60x = 9,657,792,131.40 × 4,683,497,329.20 - Step 4: Simplify right side
6,438,528,087.60x = 45,232,243,653,380,669,440 - Step 5: Solve for x
x = 45,232,243,653,380,669,440/6,438,528,087.60 - Step 6: Final answer
x = 7,025,245,993.80
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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.