Finding the Fourth Proportional to 29,285,314,843.12, 40,372,881,893.62 and 19,641,768,125.80
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Solution
The fourth proportional to 29,285,314,843.12, 40,372,881,893.62 and 19,641,768,125.80 is: 27,078,240,031.66
Step by Step Solution
- Step 1: Write the proportion equation
29,285,314,843.12 : 40,372,881,893.62 = 19,641,768,125.80 : x - Step 2: Convert to fraction form
29,285,314,843.12/40,372,881,893.62 = 19,641,768,125.80/x - Step 3: Cross multiply
29,285,314,843.12x = 40,372,881,893.62 × 19,641,768,125.80 - Step 4: Simplify right side
29,285,314,843.12x = 792,994,784,724,793,294,848 - Step 5: Solve for x
x = 792,994,784,724,793,294,848/29,285,314,843.12 - Step 6: Final answer
x = 27,078,240,031.66
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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.