Finding the Fourth Proportional to 278,124,466.20, 417,020,811.30 and 170,496,331.80
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Solution
The fourth proportional to 278,124,466.20, 417,020,811.30 and 170,496,331.80 is: 255,642,804.76
Step by Step Solution
- Step 1: Write the proportion equation
278,124,466.20 : 417,020,811.30 = 170,496,331.80 : x - Step 2: Convert to fraction form
278,124,466.20/417,020,811.30 = 170,496,331.80/x - Step 3: Cross multiply
278,124,466.20x = 417,020,811.30 × 170,496,331.80 - Step 4: Simplify right side
278,124,466.20x = 71,100,518,610,910,000 - Step 5: Solve for x
x = 71,100,518,610,910,000/278,124,466.20 - Step 6: Final answer
x = 255,642,804.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.