Finding the Fourth Proportional to 138,035,275,032.26, 207,073,615,414.04 and 48,482,484,272.80
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Solution
The fourth proportional to 138,035,275,032.26, 207,073,615,414.04 and 48,482,484,272.80 is: 72,730,997,929.89
Step by Step Solution
- Step 1: Write the proportion equation
138,035,275,032.26 : 207,073,615,414.04 = 48,482,484,272.80 : x - Step 2: Convert to fraction form
138,035,275,032.26/207,073,615,414.04 = 48,482,484,272.80/x - Step 3: Cross multiply
138,035,275,032.26x = 207,073,615,414.04 × 48,482,484,272.80 - Step 4: Simplify right side
138,035,275,032.26x = 10,039,443,302,623,031,066,624 - Step 5: Solve for x
x = 10,039,443,302,623,031,066,624/138,035,275,032.26 - Step 6: Final answer
x = 72,730,997,929.89
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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.