Finding the Fourth Proportional to 54,204,887,628.72, 74,804,538,853.94 and 29,791,163,220.62
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Solution
The fourth proportional to 54,204,887,628.72, 74,804,538,853.94 and 29,791,163,220.62 is: 41,112,791,191.55
Step by Step Solution
- Step 1: Write the proportion equation
54,204,887,628.72 : 74,804,538,853.94 = 29,791,163,220.62 : x - Step 2: Convert to fraction form
54,204,887,628.72/74,804,538,853.94 = 29,791,163,220.62/x - Step 3: Cross multiply
54,204,887,628.72x = 74,804,538,853.94 × 29,791,163,220.62 - Step 4: Simplify right side
54,204,887,628.72x = 2,228,514,226,640,937,025,536 - Step 5: Solve for x
x = 2,228,514,226,640,937,025,536/54,204,887,628.72 - Step 6: Final answer
x = 41,112,791,191.55
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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.