Finding the Fourth Proportional to 871,938,964.24, 1,203,266,984.52 and 475,460,952.08
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Solution
The fourth proportional to 871,938,964.24, 1,203,266,984.52 and 475,460,952.08 is: 656,131,322.87
Step by Step Solution
- Step 1: Write the proportion equation
871,938,964.24 : 1,203,266,984.52 = 475,460,952.08 : x - Step 2: Convert to fraction form
871,938,964.24/1,203,266,984.52 = 475,460,952.08/x - Step 3: Cross multiply
871,938,964.24x = 1,203,266,984.52 × 475,460,952.08 - Step 4: Simplify right side
871,938,964.24x = 572,106,466,066,309,824 - Step 5: Solve for x
x = 572,106,466,066,309,824/871,938,964.24 - Step 6: Final answer
x = 656,131,322.87
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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.