Finding the Fourth Proportional to 2,880,113,246, 3,974,556,415.56 and 1,560,013,802
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Solution
The fourth proportional to 2,880,113,246, 3,974,556,415.56 and 1,560,013,802 is: 2,152,819,120.47
Step by Step Solution
- Step 1: Write the proportion equation
2,880,113,246 : 3,974,556,415.56 = 1,560,013,802 : x - Step 2: Convert to fraction form
2,880,113,246/3,974,556,415.56 = 1,560,013,802/x - Step 3: Cross multiply
2,880,113,246x = 3,974,556,415.56 × 1,560,013,802 - Step 4: Simplify right side
2,880,113,246x = 6,200,362,865,101,247,488 - Step 5: Solve for x
x = 6,200,362,865,101,247,488/2,880,113,246 - Step 6: Final answer
x = 2,152,819,120.47
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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.