Finding the Fourth Proportional to 346,415,869.23, 478,049,941.35 and 187,642,998.96
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Solution
The fourth proportional to 346,415,869.23, 478,049,941.35 and 187,642,998.96 is: 258,945,194.53
Step by Step Solution
- Step 1: Write the proportion equation
346,415,869.23 : 478,049,941.35 = 187,642,998.96 : x - Step 2: Convert to fraction form
346,415,869.23/478,049,941.35 = 187,642,998.96/x - Step 3: Cross multiply
346,415,869.23x = 478,049,941.35 × 187,642,998.96 - Step 4: Simplify right side
346,415,869.23x = 89,702,724,647,566,112 - Step 5: Solve for x
x = 89,702,724,647,566,112/346,415,869.23 - Step 6: Final answer
x = 258,945,194.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.