Finding the Fourth Proportional to 1,881,128,975.96, 2,593,548,162.38 and 1,540,783,639.10
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Solution
The fourth proportional to 1,881,128,975.96, 2,593,548,162.38 and 1,540,783,639.10 is: 2,124,307,597.66
Step by Step Solution
- Step 1: Write the proportion equation
1,881,128,975.96 : 2,593,548,162.38 = 1,540,783,639.10 : x - Step 2: Convert to fraction form
1,881,128,975.96/2,593,548,162.38 = 1,540,783,639.10/x - Step 3: Cross multiply
1,881,128,975.96x = 2,593,548,162.38 × 1,540,783,639.10 - Step 4: Simplify right side
1,881,128,975.96x = 3,996,096,575,812,974,080 - Step 5: Solve for x
x = 3,996,096,575,812,974,080/1,881,128,975.96 - Step 6: Final answer
x = 2,124,307,597.66
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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.