Finding the Fourth Proportional to 1,904,874,655.05, 2,628,638,187.30 and 1,058,156,857.71
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Solution
The fourth proportional to 1,904,874,655.05, 2,628,638,187.30 and 1,058,156,857.71 is: 1,460,207,114.92
Step by Step Solution
- Step 1: Write the proportion equation
1,904,874,655.05 : 2,628,638,187.30 = 1,058,156,857.71 : x - Step 2: Convert to fraction form
1,904,874,655.05/2,628,638,187.30 = 1,058,156,857.71/x - Step 3: Cross multiply
1,904,874,655.05x = 2,628,638,187.30 × 1,058,156,857.71 - Step 4: Simplify right side
1,904,874,655.05x = 2,781,511,524,329,878,528 - Step 5: Solve for x
x = 2,781,511,524,329,878,528/1,904,874,655.05 - Step 6: Final answer
x = 1,460,207,114.92
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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.