Finding the Fourth Proportional to 455,118,393.30, 628,064,474.50 and 246,276,776.94
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Solution
The fourth proportional to 455,118,393.30, 628,064,474.50 and 246,276,776.94 is: 339,862,542.95
Step by Step Solution
- Step 1: Write the proportion equation
455,118,393.30 : 628,064,474.50 = 246,276,776.94 : x - Step 2: Convert to fraction form
455,118,393.30/628,064,474.50 = 246,276,776.94/x - Step 3: Cross multiply
455,118,393.30x = 628,064,474.50 × 246,276,776.94 - Step 4: Simplify right side
455,118,393.30x = 154,677,694,490,374,816 - Step 5: Solve for x
x = 154,677,694,490,374,816/455,118,393.30 - Step 6: Final answer
x = 339,862,542.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.