Finding the Fourth Proportional to 66,260,628,635.99, 99,404,903,723.76 and 21,488,634,272.84
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Solution
The fourth proportional to 66,260,628,635.99, 99,404,903,723.76 and 21,488,634,272.84 is: 32,237,478,952.72
Step by Step Solution
- Step 1: Write the proportion equation
66,260,628,635.99 : 99,404,903,723.76 = 21,488,634,272.84 : x - Step 2: Convert to fraction form
66,260,628,635.99/99,404,903,723.76 = 21,488,634,272.84/x - Step 3: Cross multiply
66,260,628,635.99x = 99,404,903,723.76 × 21,488,634,272.84 - Step 4: Simplify right side
66,260,628,635.99x = 2,136,075,621,046,749,495,296 - Step 5: Solve for x
x = 2,136,075,621,046,749,495,296/66,260,628,635.99 - Step 6: Final answer
x = 32,237,478,952.72
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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.