Finding the Fourth Proportional to 2,931,880,801.84, 4,045,966,762.36 and 1,593,691,272.28
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Solution
The fourth proportional to 2,931,880,801.84, 4,045,966,762.36 and 1,593,691,272.28 is: 2,199,278,331.19
Step by Step Solution
- Step 1: Write the proportion equation
2,931,880,801.84 : 4,045,966,762.36 = 1,593,691,272.28 : x - Step 2: Convert to fraction form
2,931,880,801.84/4,045,966,762.36 = 1,593,691,272.28/x - Step 3: Cross multiply
2,931,880,801.84x = 4,045,966,762.36 × 1,593,691,272.28 - Step 4: Simplify right side
2,931,880,801.84x = 6,448,021,917,108,101,120 - Step 5: Solve for x
x = 6,448,021,917,108,101,120/2,931,880,801.84 - Step 6: Final answer
x = 2,199,278,331.19
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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.