Finding the Fourth Proportional to 292,480,008.14, 403,387,065.14 and 257,122,215.38
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Solution
The fourth proportional to 292,480,008.14, 403,387,065.14 and 257,122,215.38 is: 354,621,762.03
Step by Step Solution
- Step 1: Write the proportion equation
292,480,008.14 : 403,387,065.14 = 257,122,215.38 : x - Step 2: Convert to fraction form
292,480,008.14/403,387,065.14 = 257,122,215.38/x - Step 3: Cross multiply
292,480,008.14x = 403,387,065.14 × 257,122,215.38 - Step 4: Simplify right side
292,480,008.14x = 103,719,775,844,433,168 - Step 5: Solve for x
x = 103,719,775,844,433,168/292,480,008.14 - Step 6: Final answer
x = 354,621,762.03
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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.