Finding the Fourth Proportional to 49,370,885,920.63, 68,130,663,703.89 and 29,049,657,887.80
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Solution
The fourth proportional to 49,370,885,920.63, 68,130,663,703.89 and 29,049,657,887.80 is: 40,087,846,012.09
Step by Step Solution
- Step 1: Write the proportion equation
49,370,885,920.63 : 68,130,663,703.89 = 29,049,657,887.80 : x - Step 2: Convert to fraction form
49,370,885,920.63/68,130,663,703.89 = 29,049,657,887.80/x - Step 3: Cross multiply
49,370,885,920.63x = 68,130,663,703.89 × 29,049,657,887.80 - Step 4: Simplify right side
49,370,885,920.63x = 1,979,172,472,266,757,242,880 - Step 5: Solve for x
x = 1,979,172,472,266,757,242,880/49,370,885,920.63 - Step 6: Final answer
x = 40,087,846,012.09
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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.