Finding the Fourth Proportional to 1,639,660,671.94, 2,457,514,974.42 and 753,122,670.07
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Solution
The fourth proportional to 1,639,660,671.94, 2,457,514,974.42 and 753,122,670.07 is: 1,128,776,380.96
Step by Step Solution
- Step 1: Write the proportion equation
1,639,660,671.94 : 2,457,514,974.42 = 753,122,670.07 : x - Step 2: Convert to fraction form
1,639,660,671.94/2,457,514,974.42 = 753,122,670.07/x - Step 3: Cross multiply
1,639,660,671.94x = 2,457,514,974.42 × 753,122,670.07 - Step 4: Simplify right side
1,639,660,671.94x = 1,850,810,239,272,198,400 - Step 5: Solve for x
x = 1,850,810,239,272,198,400/1,639,660,671.94 - Step 6: Final answer
x = 1,128,776,380.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.