Finding the Fourth Proportional to 1,234,340,950.05, 1,852,030,243.44 and 768,392,304.03
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Solution
The fourth proportional to 1,234,340,950.05, 1,852,030,243.44 and 768,392,304.03 is: 1,152,911,426.81
Step by Step Solution
- Step 1: Write the proportion equation
1,234,340,950.05 : 1,852,030,243.44 = 768,392,304.03 : x - Step 2: Convert to fraction form
1,234,340,950.05/1,852,030,243.44 = 768,392,304.03/x - Step 3: Cross multiply
1,234,340,950.05x = 1,852,030,243.44 × 768,392,304.03 - Step 4: Simplify right side
1,234,340,950.05x = 1,423,085,785,890,103,296 - Step 5: Solve for x
x = 1,423,085,785,890,103,296/1,234,340,950.05 - Step 6: Final answer
x = 1,152,911,426.81
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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.