Finding the Fourth Proportional to 1,178,239,083.59, 1,627,522,011.93 and 873,330,233.00
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Solution
The fourth proportional to 1,178,239,083.59, 1,627,522,011.93 and 873,330,233.00 is: 1,206,346,146.28
Step by Step Solution
- Step 1: Write the proportion equation
1,178,239,083.59 : 1,627,522,011.93 = 873,330,233.00 : x - Step 2: Convert to fraction form
1,178,239,083.59/1,627,522,011.93 = 873,330,233.00/x - Step 3: Cross multiply
1,178,239,083.59x = 1,627,522,011.93 × 873,330,233.00 - Step 4: Simplify right side
1,178,239,083.59x = 1,421,364,177,883,318,016 - Step 5: Solve for x
x = 1,421,364,177,883,318,016/1,178,239,083.59 - Step 6: Final answer
x = 1,206,346,146.28
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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.