Finding the Fourth Proportional to 357,583,967.58, 493,421,602.11 and 206,902,525.26
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Solution
The fourth proportional to 357,583,967.58, 493,421,602.11 and 206,902,525.26 is: 285,499,867.86
Step by Step Solution
- Step 1: Write the proportion equation
357,583,967.58 : 493,421,602.11 = 206,902,525.26 : x - Step 2: Convert to fraction form
357,583,967.58/493,421,602.11 = 206,902,525.26/x - Step 3: Cross multiply
357,583,967.58x = 493,421,602.11 × 206,902,525.26 - Step 4: Simplify right side
357,583,967.58x = 102,090,175,494,393,936 - Step 5: Solve for x
x = 102,090,175,494,393,936/357,583,967.58 - Step 6: Final answer
x = 285,499,867.86
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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.