Finding the Fourth Proportional to 1,498,523,866.25, 2,247,011,295.12 and 657,822,520.49
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Solution
The fourth proportional to 1,498,523,866.25, 2,247,011,295.12 and 657,822,520.49 is: 986,393,788.59
Step by Step Solution
- Step 1: Write the proportion equation
1,498,523,866.25 : 2,247,011,295.12 = 657,822,520.49 : x - Step 2: Convert to fraction form
1,498,523,866.25/2,247,011,295.12 = 657,822,520.49/x - Step 3: Cross multiply
1,498,523,866.25x = 2,247,011,295.12 × 657,822,520.49 - Step 4: Simplify right side
1,498,523,866.25x = 1,478,134,633,714,102,528 - Step 5: Solve for x
x = 1,478,134,633,714,102,528/1,498,523,866.25 - Step 6: Final answer
x = 986,393,788.59
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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.