Finding the Fourth Proportional to 1,184,859,868.68, 1,777,407,162.93 and 438,071,446.80
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Solution
The fourth proportional to 1,184,859,868.68, 1,777,407,162.93 and 438,071,446.80 is: 657,150,561.01
Step by Step Solution
- Step 1: Write the proportion equation
1,184,859,868.68 : 1,777,407,162.93 = 438,071,446.80 : x - Step 2: Convert to fraction form
1,184,859,868.68/1,777,407,162.93 = 438,071,446.80/x - Step 3: Cross multiply
1,184,859,868.68x = 1,777,407,162.93 × 438,071,446.80 - Step 4: Simplify right side
1,184,859,868.68x = 778,631,327,417,428,480 - Step 5: Solve for x
x = 778,631,327,417,428,480/1,184,859,868.68 - Step 6: Final answer
x = 657,150,561.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.