Finding the Fourth Proportional to 434,911,197.80, 600,177,551.32 and 239,340,909.80
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Solution
The fourth proportional to 434,911,197.80, 600,177,551.32 and 239,340,909.80 is: 330,290,509.65
Step by Step Solution
- Step 1: Write the proportion equation
434,911,197.80 : 600,177,551.32 = 239,340,909.80 : x - Step 2: Convert to fraction form
434,911,197.80/600,177,551.32 = 239,340,909.80/x - Step 3: Cross multiply
434,911,197.80x = 600,177,551.32 × 239,340,909.80 - Step 4: Simplify right side
434,911,197.80x = 143,647,041,174,465,008 - Step 5: Solve for x
x = 143,647,041,174,465,008/434,911,197.80 - Step 6: Final answer
x = 330,290,509.65
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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.