Finding the Fourth Proportional to 2,691,036,655.65, 4,036,554,983.48 and 725,885,935.65
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Solution
The fourth proportional to 2,691,036,655.65, 4,036,554,983.48 and 725,885,935.65 is: 1,088,828,903.48
Step by Step Solution
- Step 1: Write the proportion equation
2,691,036,655.65 : 4,036,554,983.48 = 725,885,935.65 : x - Step 2: Convert to fraction form
2,691,036,655.65/4,036,554,983.48 = 725,885,935.65/x - Step 3: Cross multiply
2,691,036,655.65x = 4,036,554,983.48 × 725,885,935.65 - Step 4: Simplify right side
2,691,036,655.65x = 2,930,078,490,982,420,480 - Step 5: Solve for x
x = 2,930,078,490,982,420,480/2,691,036,655.65 - Step 6: Final answer
x = 1,088,828,903.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.