Finding the Fourth Proportional to 560,538,688.01, 773,528,396.76 and 309,637,679.99
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Solution
The fourth proportional to 560,538,688.01, 773,528,396.76 and 309,637,679.99 is: 427,291,716.52
Step by Step Solution
- Step 1: Write the proportion equation
560,538,688.01 : 773,528,396.76 = 309,637,679.99 : x - Step 2: Convert to fraction form
560,538,688.01/773,528,396.76 = 309,637,679.99/x - Step 3: Cross multiply
560,538,688.01x = 773,528,396.76 × 309,637,679.99 - Step 4: Simplify right side
560,538,688.01x = 239,513,538,175,283,008 - Step 5: Solve for x
x = 239,513,538,175,283,008/560,538,688.01 - Step 6: Final answer
x = 427,291,716.52
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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.