Finding the Fourth Proportional to 27,598,293,891.84, 38,085,570,293.08 and 15,391,012,267.68
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Solution
The fourth proportional to 27,598,293,891.84, 38,085,570,293.08 and 15,391,012,267.68 is: 21,239,554,948.57
Step by Step Solution
- Step 1: Write the proportion equation
27,598,293,891.84 : 38,085,570,293.08 = 15,391,012,267.68 : x - Step 2: Convert to fraction form
27,598,293,891.84/38,085,570,293.08 = 15,391,012,267.68/x - Step 3: Cross multiply
27,598,293,891.84x = 38,085,570,293.08 × 15,391,012,267.68 - Step 4: Simplify right side
27,598,293,891.84x = 586,175,479,602,383,290,368 - Step 5: Solve for x
x = 586,175,479,602,383,290,368/27,598,293,891.84 - Step 6: Final answer
x = 21,239,554,948.57
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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.