Finding the Fourth Proportional to 1,497,736,552.80, 2,246,604,829.20 and 681,443,176.80
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Solution
The fourth proportional to 1,497,736,552.80, 2,246,604,829.20 and 681,443,176.80 is: 1,022,164,765.20
Step by Step Solution
- Step 1: Write the proportion equation
1,497,736,552.80 : 2,246,604,829.20 = 681,443,176.80 : x - Step 2: Convert to fraction form
1,497,736,552.80/2,246,604,829.20 = 681,443,176.80/x - Step 3: Cross multiply
1,497,736,552.80x = 2,246,604,829.20 × 681,443,176.80 - Step 4: Simplify right side
1,497,736,552.80x = 1,530,933,531,824,269,056 - Step 5: Solve for x
x = 1,530,933,531,824,269,056/1,497,736,552.80 - Step 6: Final answer
x = 1,022,164,765.20
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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.