Finding the Fourth Proportional to 1,386,542,101.08, 2,079,813,025.44 and 610,187,761.92
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Solution
The fourth proportional to 1,386,542,101.08, 2,079,813,025.44 and 610,187,761.92 is: 915,281,587.35
Step by Step Solution
- Step 1: Write the proportion equation
1,386,542,101.08 : 2,079,813,025.44 = 610,187,761.92 : x - Step 2: Convert to fraction form
1,386,542,101.08/2,079,813,025.44 = 610,187,761.92/x - Step 3: Cross multiply
1,386,542,101.08x = 2,079,813,025.44 × 610,187,761.92 - Step 4: Simplify right side
1,386,542,101.08x = 1,269,076,455,205,297,664 - Step 5: Solve for x
x = 1,269,076,455,205,297,664/1,386,542,101.08 - Step 6: Final answer
x = 915,281,587.35
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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.