Finding the Fourth Proportional to 693,033,349.64, 1,038,850,515.18 and 434,430,173.21
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Solution
The fourth proportional to 693,033,349.64, 1,038,850,515.18 and 434,430,173.21 is: 651,206,770.18
Step by Step Solution
- Step 1: Write the proportion equation
693,033,349.64 : 1,038,850,515.18 = 434,430,173.21 : x - Step 2: Convert to fraction form
693,033,349.64/1,038,850,515.18 = 434,430,173.21/x - Step 3: Cross multiply
693,033,349.64x = 1,038,850,515.18 × 434,430,173.21 - Step 4: Simplify right side
693,033,349.64x = 451,308,009,243,750,848 - Step 5: Solve for x
x = 451,308,009,243,750,848/693,033,349.64 - Step 6: Final answer
x = 651,206,770.18
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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.