Finding the Fourth Proportional to 6,438,528,035.70, 9,657,792,053.55 and 4,805,941,283.70
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Solution
The fourth proportional to 6,438,528,035.70, 9,657,792,053.55 and 4,805,941,283.70 is: 7,208,911,925.55
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,035.70 : 9,657,792,053.55 = 4,805,941,283.70 : x - Step 2: Convert to fraction form
6,438,528,035.70/9,657,792,053.55 = 4,805,941,283.70/x - Step 3: Cross multiply
6,438,528,035.70x = 9,657,792,053.55 × 4,805,941,283.70 - Step 4: Simplify right side
6,438,528,035.70x = 46,414,781,539,545,743,360 - Step 5: Solve for x
x = 46,414,781,539,545,743,360/6,438,528,035.70 - Step 6: Final answer
x = 7,208,911,925.55
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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.