Finding the Fourth Proportional to 434,911,465.90, 600,177,921.87 and 239,341,177.90
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Solution
The fourth proportional to 434,911,465.90, 600,177,921.87 and 239,341,177.90 is: 330,290,879.94
Step by Step Solution
- Step 1: Write the proportion equation
434,911,465.90 : 600,177,921.87 = 239,341,177.90 : x - Step 2: Convert to fraction form
434,911,465.90/600,177,921.87 = 239,341,177.90/x - Step 3: Cross multiply
434,911,465.90x = 600,177,921.87 × 239,341,177.90 - Step 4: Simplify right side
434,911,465.90x = 143,647,290,769,939,968 - Step 5: Solve for x
x = 143,647,290,769,939,968/434,911,465.90 - Step 6: Final answer
x = 330,290,879.94
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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.