Finding the Fourth Proportional to 484,253,112.12, 726,501,331.08 and 139,207,366.50
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Solution
The fourth proportional to 484,253,112.12, 726,501,331.08 and 139,207,366.50 is: 208,846,023.96
Step by Step Solution
- Step 1: Write the proportion equation
484,253,112.12 : 726,501,331.08 = 139,207,366.50 : x - Step 2: Convert to fraction form
484,253,112.12/726,501,331.08 = 139,207,366.50/x - Step 3: Cross multiply
484,253,112.12x = 726,501,331.08 × 139,207,366.50 - Step 4: Simplify right side
484,253,112.12x = 101,134,337,058,391,408 - Step 5: Solve for x
x = 101,134,337,058,391,408/484,253,112.12 - Step 6: Final answer
x = 208,846,023.96
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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.