Finding the Fourth Proportional to 615,044,436.98, 848,760,774.68 and 347,176,652.44
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Solution
The fourth proportional to 615,044,436.98, 848,760,774.68 and 347,176,652.44 is: 479,103,470.84
Step by Step Solution
- Step 1: Write the proportion equation
615,044,436.98 : 848,760,774.68 = 347,176,652.44 : x - Step 2: Convert to fraction form
615,044,436.98/848,760,774.68 = 347,176,652.44/x - Step 3: Cross multiply
615,044,436.98x = 848,760,774.68 × 347,176,652.44 - Step 4: Simplify right side
615,044,436.98x = 294,669,924,475,783,488 - Step 5: Solve for x
x = 294,669,924,475,783,488/615,044,436.98 - Step 6: Final answer
x = 479,103,470.84
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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.