Finding the Fourth Proportional to 416,952,643.05, 575,155,589.36 and 260,047,343.79
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Solution
The fourth proportional to 416,952,643.05, 575,155,589.36 and 260,047,343.79 is: 358,716,237.37
Step by Step Solution
- Step 1: Write the proportion equation
416,952,643.05 : 575,155,589.36 = 260,047,343.79 : x - Step 2: Convert to fraction form
416,952,643.05/575,155,589.36 = 260,047,343.79/x - Step 3: Cross multiply
416,952,643.05x = 575,155,589.36 × 260,047,343.79 - Step 4: Simplify right side
416,952,643.05x = 149,567,683,277,739,744 - Step 5: Solve for x
x = 149,567,683,277,739,744/416,952,643.05 - Step 6: Final answer
x = 358,716,237.37
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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.