Finding the Fourth Proportional to 450,190,719.32, 621,328,439.88 and 259,414,621.14
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Solution
The fourth proportional to 450,190,719.32, 621,328,439.88 and 259,414,621.14 is: 358,029,774.76
Step by Step Solution
- Step 1: Write the proportion equation
450,190,719.32 : 621,328,439.88 = 259,414,621.14 : x - Step 2: Convert to fraction form
450,190,719.32/621,328,439.88 = 259,414,621.14/x - Step 3: Cross multiply
450,190,719.32x = 621,328,439.88 × 259,414,621.14 - Step 4: Simplify right side
450,190,719.32x = 161,181,681,837,307,456 - Step 5: Solve for x
x = 161,181,681,837,307,456/450,190,719.32 - Step 6: Final answer
x = 358,029,774.76
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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.