Finding the Fourth Proportional to 1,095,257,878.79, 1,642,872,468.02 and 266,209,113.04
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Solution
The fourth proportional to 1,095,257,878.79, 1,642,872,468.02 and 266,209,113.04 is: 399,310,181.66
Step by Step Solution
- Step 1: Write the proportion equation
1,095,257,878.79 : 1,642,872,468.02 = 266,209,113.04 : x - Step 2: Convert to fraction form
1,095,257,878.79/1,642,872,468.02 = 266,209,113.04/x - Step 3: Cross multiply
1,095,257,878.79x = 1,642,872,468.02 × 266,209,113.04 - Step 4: Simplify right side
1,095,257,878.79x = 437,347,622,544,001,728 - Step 5: Solve for x
x = 437,347,622,544,001,728/1,095,257,878.79 - Step 6: Final answer
x = 399,310,181.66
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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.