Finding the Fourth Proportional to 472,782,102.03, 709,603,501.05 and 251,639,101.53
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Solution
The fourth proportional to 472,782,102.03, 709,603,501.05 and 251,639,101.53 is: 377,687,705.77
Step by Step Solution
- Step 1: Write the proportion equation
472,782,102.03 : 709,603,501.05 = 251,639,101.53 : x - Step 2: Convert to fraction form
472,782,102.03/709,603,501.05 = 251,639,101.53/x - Step 3: Cross multiply
472,782,102.03x = 709,603,501.05 × 251,639,101.53 - Step 4: Simplify right side
472,782,102.03x = 178,563,987,446,764,416 - Step 5: Solve for x
x = 178,563,987,446,764,416/472,782,102.03 - Step 6: Final answer
x = 377,687,705.77
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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.