Finding the Fourth Proportional to 45,349,723,687.20, 68,024,585,530.80 and 22,130,712,103.20
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Solution
The fourth proportional to 45,349,723,687.20, 68,024,585,530.80 and 22,130,712,103.20 is: 33,196,068,154.80
Step by Step Solution
- Step 1: Write the proportion equation
45,349,723,687.20 : 68,024,585,530.80 = 22,130,712,103.20 : x - Step 2: Convert to fraction form
45,349,723,687.20/68,024,585,530.80 = 22,130,712,103.20/x - Step 3: Cross multiply
45,349,723,687.20x = 68,024,585,530.80 × 22,130,712,103.20 - Step 4: Simplify right side
45,349,723,687.20x = 1,505,432,518,321,639,260,160 - Step 5: Solve for x
x = 1,505,432,518,321,639,260,160/45,349,723,687.20 - Step 6: Final answer
x = 33,196,068,154.80
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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.