Finding the Fourth Proportional to 39,766,333,426.38, 54,878,703,555.10 and 21,703,008,195.99
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Solution
The fourth proportional to 39,766,333,426.38, 54,878,703,555.10 and 21,703,008,195.99 is: 29,950,786,266.14
Step by Step Solution
- Step 1: Write the proportion equation
39,766,333,426.38 : 54,878,703,555.10 = 21,703,008,195.99 : x - Step 2: Convert to fraction form
39,766,333,426.38/54,878,703,555.10 = 21,703,008,195.99/x - Step 3: Cross multiply
39,766,333,426.38x = 54,878,703,555.10 × 21,703,008,195.99 - Step 4: Simplify right side
39,766,333,426.38x = 1,191,032,953,041,727,782,912 - Step 5: Solve for x
x = 1,191,032,953,041,727,782,912/39,766,333,426.38 - Step 6: Final answer
x = 29,950,786,266.14
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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.