Finding the Fourth Proportional to 528,768,349.62, 793,287,068.67 and 310,603,202.34
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Solution
The fourth proportional to 528,768,349.62, 793,287,068.67 and 310,603,202.34 is: 465,983,835.99
Step by Step Solution
- Step 1: Write the proportion equation
528,768,349.62 : 793,287,068.67 = 310,603,202.34 : x - Step 2: Convert to fraction form
528,768,349.62/793,287,068.67 = 310,603,202.34/x - Step 3: Cross multiply
528,768,349.62x = 793,287,068.67 × 310,603,202.34 - Step 4: Simplify right side
528,768,349.62x = 246,397,503,903,813,440 - Step 5: Solve for x
x = 246,397,503,903,813,440/528,768,349.62 - Step 6: Final answer
x = 465,983,835.99
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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.