Finding the Fourth Proportional to 1,512,032,802.80, 2,268,049,204.20 and 1,098,784,281.20
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Solution
The fourth proportional to 1,512,032,802.80, 2,268,049,204.20 and 1,098,784,281.20 is: 1,648,176,421.80
Step by Step Solution
- Step 1: Write the proportion equation
1,512,032,802.80 : 2,268,049,204.20 = 1,098,784,281.20 : x - Step 2: Convert to fraction form
1,512,032,802.80/2,268,049,204.20 = 1,098,784,281.20/x - Step 3: Cross multiply
1,512,032,802.80x = 2,268,049,204.20 × 1,098,784,281.20 - Step 4: Simplify right side
1,512,032,802.80x = 2,492,096,814,563,128,832 - Step 5: Solve for x
x = 2,492,096,814,563,128,832/1,512,032,802.80 - Step 6: Final answer
x = 1,648,176,421.80
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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.