Finding the Fourth Proportional to 222,747,455,417.54, 307,398,913,448.36 and 125,106,303,134.66
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Solution
The fourth proportional to 222,747,455,417.54, 307,398,913,448.36 and 125,106,303,134.66 is: 172,650,868,567.94
Step by Step Solution
- Step 1: Write the proportion equation
222,747,455,417.54 : 307,398,913,448.36 = 125,106,303,134.66 : x - Step 2: Convert to fraction form
222,747,455,417.54/307,398,913,448.36 = 125,106,303,134.66/x - Step 3: Cross multiply
222,747,455,417.54x = 307,398,913,448.36 × 125,106,303,134.66 - Step 4: Simplify right side
222,747,455,417.54x = 38,457,541,649,135,640,248,320 - Step 5: Solve for x
x = 38,457,541,649,135,640,248,320/222,747,455,417.54 - Step 6: Final answer
x = 172,650,868,567.94
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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.