Finding the Fourth Proportional to 1,964,929,476,890, 2,947,454,260,564.40 and 674,122,624,634.04
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Solution
The fourth proportional to 1,964,929,476,890, 2,947,454,260,564.40 and 674,122,624,634.04 is: 1,011,204,537,103.95
Step by Step Solution
- Step 1: Write the proportion equation
1,964,929,476,890 : 2,947,454,260,564.40 = 674,122,624,634.04 : x - Step 2: Convert to fraction form
1,964,929,476,890/2,947,454,260,564.40 = 674,122,624,634.04/x - Step 3: Cross multiply
1,964,929,476,890x = 2,947,454,260,564.40 × 674,122,624,634.04 - Step 4: Simplify right side
1,964,929,476,890x = 1,986,945,602,120,457,052,487,680 - Step 5: Solve for x
x = 1,986,945,602,120,457,052,487,680/1,964,929,476,890 - Step 6: Final answer
x = 1,011,204,537,103.95
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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.