Finding the Fourth Proportional to 1,386,542,102.08, 2,079,813,026.94 and 610,187,762.92
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Solution
The fourth proportional to 1,386,542,102.08, 2,079,813,026.94 and 610,187,762.92 is: 915,281,588.85
Step by Step Solution
- Step 1: Write the proportion equation
1,386,542,102.08 : 2,079,813,026.94 = 610,187,762.92 : x - Step 2: Convert to fraction form
1,386,542,102.08/2,079,813,026.94 = 610,187,762.92/x - Step 3: Cross multiply
1,386,542,102.08x = 2,079,813,026.94 × 610,187,762.92 - Step 4: Simplify right side
1,386,542,102.08x = 1,269,076,458,200,392,192 - Step 5: Solve for x
x = 1,269,076,458,200,392,192/1,386,542,102.08 - Step 6: Final answer
x = 915,281,588.85
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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.