Finding the Fourth Proportional to 398,565,542.70, 597,848,314.05 and 244,712,717.10
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Solution
The fourth proportional to 398,565,542.70, 597,848,314.05 and 244,712,717.10 is: 367,069,075.65
Step by Step Solution
- Step 1: Write the proportion equation
398,565,542.70 : 597,848,314.05 = 244,712,717.10 : x - Step 2: Convert to fraction form
398,565,542.70/597,848,314.05 = 244,712,717.10/x - Step 3: Cross multiply
398,565,542.70x = 597,848,314.05 × 244,712,717.10 - Step 4: Simplify right side
398,565,542.70x = 146,301,085,344,829,600 - Step 5: Solve for x
x = 146,301,085,344,829,600/398,565,542.70 - Step 6: Final answer
x = 367,069,075.65
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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.