Finding the Fourth Proportional to 238,845,190,586.64, 358,269,125,209.56 and 79,667,852,985.78
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Solution
The fourth proportional to 238,845,190,586.64, 358,269,125,209.56 and 79,667,852,985.78 is: 119,502,226,217.89
Step by Step Solution
- Step 1: Write the proportion equation
238,845,190,586.64 : 358,269,125,209.56 = 79,667,852,985.78 : x - Step 2: Convert to fraction form
238,845,190,586.64/358,269,125,209.56 = 79,667,852,985.78/x - Step 3: Cross multiply
238,845,190,586.64x = 358,269,125,209.56 × 79,667,852,985.78 - Step 4: Simplify right side
238,845,190,586.64x = 28,542,531,996,539,234,025,472 - Step 5: Solve for x
x = 28,542,531,996,539,234,025,472/238,845,190,586.64 - Step 6: Final answer
x = 119,502,226,217.89
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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.