Finding the Fourth Proportional to 1,234,328,621.49, 1,851,673,622.58 and 579,346,178.49
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Solution
The fourth proportional to 1,234,328,621.49, 1,851,673,622.58 and 579,346,178.49 is: 869,104,076.80
Step by Step Solution
- Step 1: Write the proportion equation
1,234,328,621.49 : 1,851,673,622.58 = 579,346,178.49 : x - Step 2: Convert to fraction form
1,234,328,621.49/1,851,673,622.58 = 579,346,178.49/x - Step 3: Cross multiply
1,234,328,621.49x = 1,851,673,622.58 × 579,346,178.49 - Step 4: Simplify right side
1,234,328,621.49x = 1,072,760,037,052,457,600 - Step 5: Solve for x
x = 1,072,760,037,052,457,600/1,234,328,621.49 - Step 6: Final answer
x = 869,104,076.80
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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.