Finding the Fourth Proportional to 2,804,026,551.78, 3,869,648,937.09 and 1,533,838,467.99
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Solution
The fourth proportional to 2,804,026,551.78, 3,869,648,937.09 and 1,533,838,467.99 is: 2,116,747,572.72
Step by Step Solution
- Step 1: Write the proportion equation
2,804,026,551.78 : 3,869,648,937.09 = 1,533,838,467.99 : x - Step 2: Convert to fraction form
2,804,026,551.78/3,869,648,937.09 = 1,533,838,467.99/x - Step 3: Cross multiply
2,804,026,551.78x = 3,869,648,937.09 × 1,533,838,467.99 - Step 4: Simplify right side
2,804,026,551.78x = 5,935,416,397,325,257,728 - Step 5: Solve for x
x = 5,935,416,397,325,257,728/2,804,026,551.78 - Step 6: Final answer
x = 2,116,747,572.72
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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.