Finding the Fourth Proportional to 2,989,370,548.80, 4,484,055,823.20 and 2,214,529,570.80
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Solution
The fourth proportional to 2,989,370,548.80, 4,484,055,823.20 and 2,214,529,570.80 is: 3,321,794,356.20
Step by Step Solution
- Step 1: Write the proportion equation
2,989,370,548.80 : 4,484,055,823.20 = 2,214,529,570.80 : x - Step 2: Convert to fraction form
2,989,370,548.80/4,484,055,823.20 = 2,214,529,570.80/x - Step 3: Cross multiply
2,989,370,548.80x = 4,484,055,823.20 × 2,214,529,570.80 - Step 4: Simplify right side
2,989,370,548.80x = 9,930,074,217,594,337,280 - Step 5: Solve for x
x = 9,930,074,217,594,337,280/2,989,370,548.80 - Step 6: Final answer
x = 3,321,794,356.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.