Finding the Fourth Proportional to 39,758,926,506.75, 59,637,996,744 and 18,215,378,287.65
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Solution
The fourth proportional to 39,758,926,506.75, 59,637,996,744 and 18,215,378,287.65 is: 27,322,887,372.86
Step by Step Solution
- Step 1: Write the proportion equation
39,758,926,506.75 : 59,637,996,744 = 18,215,378,287.65 : x - Step 2: Convert to fraction form
39,758,926,506.75/59,637,996,744 = 18,215,378,287.65/x - Step 3: Cross multiply
39,758,926,506.75x = 59,637,996,744 × 18,215,378,287.65 - Step 4: Simplify right side
39,758,926,506.75x = 1,086,328,671,009,599,127,552 - Step 5: Solve for x
x = 1,086,328,671,009,599,127,552/39,758,926,506.75 - Step 6: Final answer
x = 27,322,887,372.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.