Finding the Fourth Proportional to 32,350,243,703.30, 48,525,365,554.95 and 21,127,721,437.70
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Solution
The fourth proportional to 32,350,243,703.30, 48,525,365,554.95 and 21,127,721,437.70 is: 31,691,582,156.55
Step by Step Solution
- Step 1: Write the proportion equation
32,350,243,703.30 : 48,525,365,554.95 = 21,127,721,437.70 : x - Step 2: Convert to fraction form
32,350,243,703.30/48,525,365,554.95 = 21,127,721,437.70/x - Step 3: Cross multiply
32,350,243,703.30x = 48,525,365,554.95 × 21,127,721,437.70 - Step 4: Simplify right side
32,350,243,703.30x = 1,025,230,406,107,546,255,360 - Step 5: Solve for x
x = 1,025,230,406,107,546,255,360/32,350,243,703.30 - Step 6: Final answer
x = 31,691,582,156.55
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1.5x scale
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.