Finding the Fourth Proportional to 1,003,656,588.99, 1,504,967,964.12 and 450,484,797.03
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Solution
The fourth proportional to 1,003,656,588.99, 1,504,967,964.12 and 450,484,797.03 is: 675,495,179.62
Step by Step Solution
- Step 1: Write the proportion equation
1,003,656,588.99 : 1,504,967,964.12 = 450,484,797.03 : x - Step 2: Convert to fraction form
1,003,656,588.99/1,504,967,964.12 = 450,484,797.03/x - Step 3: Cross multiply
1,003,656,588.99x = 1,504,967,964.12 × 450,484,797.03 - Step 4: Simplify right side
1,003,656,588.99x = 677,965,187,853,250,432 - Step 5: Solve for x
x = 677,965,187,853,250,432/1,003,656,588.99 - Step 6: Final answer
x = 675,495,179.62
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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.