Finding the Fourth Proportional to 303,281,988,085.35, 418,542,299,711.68 and 167,951,168,521.33
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Solution
The fourth proportional to 303,281,988,085.35, 418,542,299,711.68 and 167,951,168,521.33 is: 231,779,898,159.99
Step by Step Solution
- Step 1: Write the proportion equation
303,281,988,085.35 : 418,542,299,711.68 = 167,951,168,521.33 : x - Step 2: Convert to fraction form
303,281,988,085.35/418,542,299,711.68 = 167,951,168,521.33/x - Step 3: Cross multiply
303,281,988,085.35x = 418,542,299,711.68 × 167,951,168,521.33 - Step 4: Simplify right side
303,281,988,085.35x = 70,294,668,312,181,366,325,248 - Step 5: Solve for x
x = 70,294,668,312,181,366,325,248/303,281,988,085.35 - Step 6: Final answer
x = 231,779,898,159.99
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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.