Finding the Fourth Proportional to 1,439,046,005.10, 2,158,569,007.65 and 1,206,593,711.70
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Solution
The fourth proportional to 1,439,046,005.10, 2,158,569,007.65 and 1,206,593,711.70 is: 1,809,890,567.55
Step by Step Solution
- Step 1: Write the proportion equation
1,439,046,005.10 : 2,158,569,007.65 = 1,206,593,711.70 : x - Step 2: Convert to fraction form
1,439,046,005.10/2,158,569,007.65 = 1,206,593,711.70/x - Step 3: Cross multiply
1,439,046,005.10x = 2,158,569,007.65 × 1,206,593,711.70 - Step 4: Simplify right side
1,439,046,005.10x = 2,604,515,790,900,999,168 - Step 5: Solve for x
x = 2,604,515,790,900,999,168/1,439,046,005.10 - Step 6: Final answer
x = 1,809,890,567.55
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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.