Finding the Fourth Proportional to 77,320,888,724.17, 106,712,115,448.53 and 46,836,177,868.41
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Solution
The fourth proportional to 77,320,888,724.17, 106,712,115,448.53 and 46,836,177,868.41 is: 64,639,552,161.53
Step by Step Solution
- Step 1: Write the proportion equation
77,320,888,724.17 : 106,712,115,448.53 = 46,836,177,868.41 : x - Step 2: Convert to fraction form
77,320,888,724.17/106,712,115,448.53 = 46,836,177,868.41/x - Step 3: Cross multiply
77,320,888,724.17x = 106,712,115,448.53 × 46,836,177,868.41 - Step 4: Simplify right side
77,320,888,724.17x = 4,997,987,619,861,653,618,688 - Step 5: Solve for x
x = 4,997,987,619,861,653,618,688/77,320,888,724.17 - Step 6: Final answer
x = 64,639,552,161.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.